{"title":"Fluxes","description":"","products":[{"product_id":"aquiflux-self-pickling-flux-water-based","title":"AquiFlux Self Pickling Flux","description":"\u003cp\u003eAquiFlux Self-Pickling Flux is the tried-and-true hard soldering flux trusted by professional jewelers. Yellow-green in color and self-pickling, it is widely regarded as one of the best water-based fluxes available. The formula is well mixed to eliminate suspension, ensuring consistent performance from application to application.\u003c\/p\u003e\u003cp\u003eSuitable for use on gold, silver, platinum, and other high-temperature metals, AquiFlux preserves the temper and color of the metal during soldering. Its adhesive qualities help hold solder in place, keeping everything positioned precisely at the joint before and during heat application.\u003c\/p\u003e\u003cp\u003eAs a liquid flux, AquiFlux offers excellent transparency, allowing you to see the solder joint clearly while working — a significant advantage over paste fluxes. Liquid flux also flows more freely into joints than paste flux. Note that paste flux generally provides better protection against fire scale on metal surfaces, so choose the flux type that best suits your soldering application.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSelf-pickling formula — no separate pickle step required after soldering\u003c\/li\u003e\n\u003cli\u003eYellow-green, water-based liquid flux\u003c\/li\u003e\n\u003cli\u003eWell mixed to eliminate suspension for consistent results\u003c\/li\u003e\n\u003cli\u003eAdhesive quality holds solder in place at the joint\u003c\/li\u003e\n\u003cli\u003eTransparent formula lets you see the solder joint clearly during soldering\u003c\/li\u003e\n\u003cli\u003eFlows freely into joints for thorough coverage\u003c\/li\u003e\n\u003cli\u003ePreserves temper and color of metal during high-temperature soldering\u003c\/li\u003e\n\u003cli\u003eCompatible with gold, silver, platinum, and other high-temperature metals\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eSelf-Pickling Liquid Flux\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eYellow-Green\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBase\u003c\/th\u003e\n\u003ctd\u003eWater-Based\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003ctd\u003eHard Soldering\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Metals\u003c\/th\u003e\n\u003ctd\u003eGold, Silver, Platinum, and other high-temperature metals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eAvailable Options\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e154.433\u003c\/td\u003e\n\u003ctd\u003e8 oz.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e154.435\u003c\/td\u003e\n\u003ctd\u003e32 oz.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Eurotool","offers":[{"title":"8 oz.","offer_id":47551685329110,"sku":"154.433","price":6.5,"currency_code":"USD","in_stock":true},{"title":"32 oz.","offer_id":47551685296342,"sku":"154.435","price":17.4,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/aquiflux-self-pickling-flux-otto-frei.jpg?v=1719959035"},{"product_id":"black-soldering-grain-silicon-carbide","title":"Black Soldering Grain By The Pound","description":"\u003cp\u003eBlack Soldering Grain provides a reliable, heat-resistant base for holding workpieces securely in position during soldering operations. Made of silicon carbide, this granular material conforms around irregular shapes and holds items in place—acting as a third hand so you can focus on your torch work. An essential bench material for jewelers and metalsmiths who need stable, hands-free positioning without clamps or fixtures.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSilicon carbide construction withstands high soldering temperatures\u003c\/li\u003e\n\u003cli\u003eConforms around irregular workpiece shapes for secure, stable support\u003c\/li\u003e\n\u003cli\u003eFunctions as a third hand—holds items in position without additional fixtures\u003c\/li\u003e\n\u003cli\u003eLoose granular form allows quick repositioning of workpieces between operations\u003c\/li\u003e\n\u003cli\u003eSold in convenient 1 lb bags\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eSilicon carbide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackage Quantity\u003c\/th\u003e\n\u003ctd\u003e1 lb bag\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eWhat's Included\u003c\/h3\u003e\u003cul\u003e\u003cli\u003e1 lb bag of black soldering grain\u003c\/li\u003e\u003c\/ul\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581600399574,"sku":"154.110","price":5.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/black-soldering-grain-by-the-pound-otto-frei.jpg?v=1719957511"},{"product_id":"flux-it-flux-dispenser","title":"Flux It Flux Dispenser","description":"\u003cp\u003eThe Flux It Flux Dispenser gives jewelers and metalsmiths precise control when applying flux during soldering operations. The plastic squeeze bottle paired with a hypodermic tip allows you to deposit exactly the right amount of flux in exactly the right location—minimizing waste and keeping your work area clean.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePlastic squeeze bottle for easy, controlled dispensing\u003c\/li\u003e\n\u003cli\u003eHypodermic tip for pinpoint flux placement\u003c\/li\u003e\n\u003cli\u003eReduces flux waste by applying only the amount needed\u003c\/li\u003e\n\u003cli\u003eSuitable for precise soldering work at the bench\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581601218774,"sku":"154.140","price":7.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/flux-it-flux-dispenser-otto-frei.jpg?v=1719957508"},{"product_id":"fluid-dispenser-bottle-4oz-pump-action-polyethylene","title":"Fluid Dispenser Bottle 4 oz","description":"\u003cp\u003eKeep your flux or other soldering liquids clean and controlled with this compact four-ounce fluid dispenser bottle. Designed for professional jewelers and metalsmiths, the bottle features a \u003cstrong\u003epump-action stainless steel lid\u003c\/strong\u003e that dispenses a precise, measured amount of fluid directly into the built-in cap well — minimizing waste and preventing accidental spills at the bench.\u003c\/p\u003e\u003cp\u003eThe one-way pump mechanism is a standout feature: it holds fluid in the well of the cap rather than drawing it back into the bottle, which \u003cstrong\u003eprevents contamination of the unused fluid\u003c\/strong\u003e remaining in the bottle. This makes it especially practical when working with flux, where keeping your supply uncontaminated is essential for consistent soldering results.\u003c\/p\u003e\u003cp\u003eFor optimal performance and to prevent clogging, empty the cap well and clean the cap thoroughly between uses.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePump-action stainless steel lid dispenses fluid into the cap well with a light press\u003c\/li\u003e\n\u003cli\u003eOne-way pump prevents fluid from returning to the bottle, keeping unused fluid uncontaminated\u003c\/li\u003e\n\u003cli\u003eFour-ounce polyethylene bottle — compact and bench-friendly\u003c\/li\u003e\n\u003cli\u003eSuitable for flux and other compatible liquids\u003c\/li\u003e\n\u003cli\u003eClean the cap well between uses to avoid clogging\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eCapacity\u003c\/th\u003e\n\u003ctd\u003e4 oz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBottle Material\u003c\/th\u003e\n\u003ctd\u003ePolyethylene\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLid Material\u003c\/th\u003e\n\u003ctd\u003eStainless steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePump Type\u003c\/th\u003e\n\u003ctd\u003eOne-way pump-action\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVariants\u003c\/th\u003e\n\u003ctd\u003eSingle configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFlux is \u003cstrong\u003enot included\u003c\/strong\u003e — bottle only.\u003c\/li\u003e\n\u003cli\u003eEmpty the cap well and clean the cap between uses for best results and to prevent clogging.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581601317078,"sku":"154.415","price":34.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/fluid-dispenser-bottle-4-oz-otto-frei.jpg?v=1719957508"},{"product_id":"borax-cone-soldering-flux-4oz","title":"Borax-4 oz Cone","description":"\u003cp\u003eThe Borax Cone is a traditional prepared borax flux used by jewelers and metalsmiths for soldering. Simply rub the cone in a small dish with a few drops of water to create a smooth, effective flux paste ready for use on metal joints. Each cone weighs approximately 4 ounces and is made in England.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e As of February 24, 2019, the version of the borax cone with a rounded top wrapped in printed paper is no longer manufactured. The current version is not wrapped in paper. It is still made in England and performs the same function.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePrepared borax cone for making soldering flux\u003c\/li\u003e\n\u003cli\u003eMade in England\u003c\/li\u003e\n\u003cli\u003eApproximately 4 ounces per cone\u003c\/li\u003e\n\u003cli\u003eCurrent version not wrapped in paper—same trusted borax formula\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight\u003c\/th\u003e\n\u003ctd\u003eApproximately 4 oz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eForm\u003c\/th\u003e\n\u003ctd\u003eCone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOrigin\u003c\/th\u003e\n\u003ctd\u003eMade in England\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eQuantity\u003c\/th\u003e\n\u003ctd\u003e1 cone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581601546454,"sku":"154.252","price":13.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/borax-4-oz-cone-otto-frei.jpg?v=1719957506"},{"product_id":"ceramic-dish-borax","title":"Ceramic Dish For Borax","description":"\u003cp\u003eA sturdy ceramic dish designed for use with borax flux at the bench. Measuring 4-1\/4\" in diameter, this dish provides a stable, heat-resistant surface for grinding and mixing borax cone flux into a usable paste. Its wide, shallow form makes it easy to work with the cone and collect flux efficiently during soldering operations.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eWide, shallow dish profile ideal for grinding and holding borax flux\u003c\/li\u003e\n\u003cli\u003eHeat-resistant ceramic construction withstands bench soldering conditions\u003c\/li\u003e\n\u003cli\u003e4-1\/4\" diameter provides ample working surface\u003c\/li\u003e\n\u003cli\u003eCompatible with standard borax cone flux\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eDiameter\u003c\/th\u003e\n\u003ctd\u003e4-1\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eCeramic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eVariants\u003c\/th\u003e\n\u003ctd\u003eSingle option\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eFor the matching borax cone, see part number \u003cstrong\u003e154.252\u003c\/strong\u003e. This product is subject to California Proposition 65 warnings.\u003c\/p\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581602005206,"sku":"154.253","price":7.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/ceramic-dish-for-borax-otto-frei.jpg?v=1719957507"},{"product_id":"yellow-ochre-powder-half-lb-can","title":"Yellow Ochre Powder 1\/2 lb Can","description":"\u003cp\u003eYellow Ochre Powder is an essential soldering aid for jewelers and metalsmiths who need precise solder flow control. When mixed with water or alcohol, this fine powder forms a paste that acts as a solder resist — preventing solder from flowing into areas where it is not wanted, such as previously soldered joints or the moving parts of a catch. A reliable technique used throughout professional bench work, yellow ochre allows you to build complex assemblies and perform sequential soldering operations without disturbing earlier joints.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePrevents unwanted solder flow when mixed with water or alcohol\u003c\/li\u003e\n\u003cli\u003eIdeal for protecting previously soldered joints during subsequent soldering steps\u003c\/li\u003e\n\u003cli\u003eHelps keep moving parts of catches and hinges free of solder\u003c\/li\u003e\n\u003cli\u003eSupports sequential and multi-stage soldering operations\u003c\/li\u003e\n\u003cli\u003eSupplied in a convenient 1\/2 lb can for bench use\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eForm\u003c\/th\u003e\n\u003ctd\u003ePowder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNet Weight\u003c\/th\u003e\n\u003ctd\u003e1\/2 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eContainer\u003c\/th\u003e\n\u003ctd\u003eCan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eQuantity\u003c\/th\u003e\n\u003ctd\u003e1 can\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eMix with water or alcohol to form a paste before applying to areas where solder flow must be restricted. Apply to cool metal before heating. Remove residue thoroughly after soldering is complete.\u003c\/p\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581602332886,"sku":"154.470","price":12.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/yellow-ochre-powder-12-lb-can-otto-frei.jpg?v=1719957506"},{"product_id":"thermo-fix-soldering-clay-reusable-heat-shield","title":"Thermo-Fix Soldering Clay","description":"\u003cp\u003e\u003cstrong\u003eThermo-Fix Soldering Clay\u003c\/strong\u003e is a reusable clay from Germany for holding small parts during soldering and for protecting heat-sensitive areas. It acts as a localized heat shield so adjacent surfaces see less heat from the torch. Apply in layers \u003cstrong\u003e5–10 mm\u003c\/strong\u003e thick. Graphite-free, non-fuming, asbestos-free, and water-soluble for easy cleanup.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eReusable clay for positioning parts and shielding heat\u003c\/li\u003e\n\u003cli\u003eRecommended layer thickness: \u003cstrong\u003e5–10 mm\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGraphite-free\u003c\/strong\u003e, \u003cstrong\u003enon-fuming\u003c\/strong\u003e, \u003cstrong\u003easbestos-free\u003c\/strong\u003e, \u003cstrong\u003ewater-soluble\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eSuitable with common jewelry metals and solders\u003c\/li\u003e\n\u003cli\u003eQuick cleanup with water\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable style=\"border-collapse: collapse; width: 100%; text-align: left;\" cellspacing=\"0\" cellpadding=\"8\" border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eReusable soldering clay \/ heat shield\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOrigin\u003c\/th\u003e\n\u003ctd\u003eGermany\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRecommended Thickness\u003c\/th\u003e\n\u003ctd\u003e5–10 mm (≈3\/16″–3\/8″)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eComposition Notes\u003c\/th\u003e\n\u003ctd\u003eGraphite-free, asbestos-free, non-fuming; water-soluble\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCleanup\u003c\/th\u003e\n\u003ctd\u003eRinse or brush off with water\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eReusability\u003c\/th\u003e\n\u003ctd\u003eCan be re-used; if it dries out, rehydrate with a small amount of water\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eDirections\u003c\/h2\u003e\n\u003col\u003e\n\u003cli\u003eKnead a portion until pliable; apply a \u003cstrong\u003e5–10 mm\u003c\/strong\u003e layer around areas to be protected and\/or use to fixture small parts.\u003c\/li\u003e\n\u003cli\u003eSeat the workpiece securely; avoid blocking solder flow or fluxed joints.\u003c\/li\u003e\n\u003cli\u003eSolder as usual, focusing the flame on the joint rather than directly on the clay for extended periods.\u003c\/li\u003e\n\u003cli\u003eAllow to cool. Remove clay and rinse any residue with water. Return usable clay to an airtight container.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2 style=\"color: #b00000;\"\u003e\u003cu\u003eSafety\u003c\/u\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eUse in a well-ventilated area; wear eye protection.\u003c\/li\u003e\n\u003cli\u003e\u003cstrong\u003eNot for use with flammable or toxic compounds.\u003c\/strong\u003e\u003c\/li\u003e\n\u003cli\u003eKeep away from children and store sealed when not in use.\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"AGILO","offers":[{"title":"Default Title","offer_id":43581602496726,"sku":"154.465","price":56.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/thermo-fix-soldering-clay-otto-frei-1.jpg?v=1689354295"},{"product_id":"heat-shield-soldering-paste-1lb","title":"Heat Shield 1 lb Can","description":"\u003cp\u003eHeat Shield is a protective paste designed for jewelers and metalsmiths who need to solder near stones, delicate components, or heat-sensitive materials without removing them first. It withstands direct flame temperatures up to 5000°F, creating a thermal barrier that shields vulnerable parts during soldering operations. Heat Shield also prevents oxidation on surrounding metal surfaces, helping ensure cleaner solder joints with less cleanup. The formula is odorless and non-toxic, making it suitable for use in enclosed studio and bench environments. After soldering, Heat Shield washes off easily with water, leaving no residue that requires additional chemical removal.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eNote: Can color may vary.\u003c\/em\u003e\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eProtects stones and components under direct flame up to 5000°F\u003c\/li\u003e\n\u003cli\u003eEliminates the need to remove stones before soldering in many applications\u003c\/li\u003e\n\u003cli\u003ePrevents oxidation on surrounding metal during soldering\u003c\/li\u003e\n\u003cli\u003eOdorless and non-toxic formula\u003c\/li\u003e\n\u003cli\u003eWashes off completely with water — no chemical stripper needed\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eNet Weight\u003c\/th\u003e\n\u003ctd\u003e1 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eForm\u003c\/th\u003e\n\u003ctd\u003ePaste\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaximum Temperature Resistance\u003c\/th\u003e\n\u003ctd\u003e5000°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCleanup\u003c\/th\u003e\n\u003ctd\u003eWater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOdor\u003c\/th\u003e\n\u003ctd\u003eOdorless\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eToxicity\u003c\/th\u003e\n\u003ctd\u003eNon-toxic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProp 65\u003c\/th\u003e\n\u003ctd\u003eContains Phthalates — California Prop 65 warning applies\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581602660566,"sku":"154.448","price":28.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/heat-shield-1-lb-can-otto-frei.jpg?v=1719957506"},{"product_id":"kool-jool-heat-protective-gel-8oz","title":"Kool-Jool In 8 oz Jar","description":"\u003cp\u003eKool-Jool is a protective gel designed to shield heat-sensitive stones and organic materials during soldering. Applied directly to stones or surrounding metalwork, it acts as a thermal barrier that absorbs and dissipates heat before it can reach delicate materials. Whether you're working with organics like pearl, coral, and amber or fragile mineral stones such as emerald, turquoise, opal, or dyed stones, Kool-Jool helps reduce the risk of heat damage during torch work. The distinctive pink color makes it easy to see where protection has been applied. This listing is for the 8 oz. plain jar.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eProtects heat-sensitive and organic stones during soldering\u003c\/li\u003e\n\u003cli\u003eSuitable for use with pearl, coral, amber, emerald, turquoise, opal, and dyed stones\u003c\/li\u003e\n\u003cli\u003ePink color for easy visual identification of application area\u003c\/li\u003e\n\u003cli\u003eNon-toxic formula safe for bench use\u003c\/li\u003e\n\u003cli\u003eWater-soluble for easy cleanup\u003c\/li\u003e\n\u003cli\u003eOdorless — comfortable for extended studio use\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003ctd\u003e8 oz. plain jar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003ePink\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eToxicity\u003c\/th\u003e\n\u003ctd\u003eNon-toxic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSolubility\u003c\/th\u003e\n\u003ctd\u003eWater-soluble\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOdor\u003c\/th\u003e\n\u003ctd\u003eOdorless\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cp\u003eKool-Jool is intended for use as a heat-protective barrier during soldering. Always follow safe torch practices when working near stones. Water-soluble formula rinses away cleanly after soldering is complete.\u003c\/p\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581603053782,"sku":"154.468","price":22.15,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/kool-jool-in-8-oz-jar-otto-frei.jpg?v=1719957502"},{"product_id":"tix-denver-flux-non-corrosive-soft-solder-half-oz","title":"Tix Denver Flux 1\/2 oz","description":"\u003cp\u003eTix Denver Flux is a non-corrosive soldering flux designed for use with any soft solder. Safe for hands and clothing, it washes off easily with water—even after it has dried—making cleanup simple and worry-free. Supplied in a convenient 1\/2 oz. bottle.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eNon-corrosive formula—safe for skin and fabric\u003c\/li\u003e\n\u003cli\u003eWashes off with water, even after drying\u003c\/li\u003e\n\u003cli\u003eCompatible with any soft solder\u003c\/li\u003e\n\u003cli\u003eConvenient 1\/2 oz. bottle size\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003ctd\u003e1\/2 oz. bottle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFormula\u003c\/th\u003e\n\u003ctd\u003eNon-corrosive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCleanup\u003c\/th\u003e\n\u003ctd\u003eWater-soluble, even after drying\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSolder Compatibility\u003c\/th\u003e\n\u003ctd\u003eAny soft solder\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581605085398,"sku":"154.460","price":6.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/154.460NEW_thumb_55c5f7b6-185c-4f6b-be34-c39283847b49.jpg?v=1729028788"},{"product_id":"tix-anti-flux-stop-flow-half-oz","title":"Tix Anti-Flux 1\/2 oz.","description":"\u003cp\u003eTix Anti-Flux is a stop-flow compound designed to prevent solder from flowing into areas where it is not wanted. Applied by brush directly to metal surfaces before soldering, it creates a barrier that keeps solder contained to the intended joint. Ideal for complex assemblies, repair work, and any situation where precise solder placement is critical. Comes in a convenient 1\/2 oz. bottle.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePrevents solder from flowing to unwanted areas during soldering\u003c\/li\u003e\n\u003cli\u003eBrushes on easily for quick, precise application\u003c\/li\u003e\n\u003cli\u003eHelps protect finished surfaces, stones, and adjacent joints\u003c\/li\u003e\n\u003cli\u003eUseful for repair work and multi-step soldering assemblies\u003c\/li\u003e\n\u003cli\u003eCompact 1\/2 oz. bottle for bench-side convenience\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003ctd\u003e1\/2 oz. bottle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eApplication Method\u003c\/th\u003e\n\u003ctd\u003eBrush-on\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eAnti-flux \/ Stop-flow compound\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581605249238,"sku":"154.462","price":6.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/154.462NEW_thumb_0d5b9172-bdac-4c42-85af-7e6fe0febcf4.jpg?v=1751918209"},{"product_id":"firescoff-rh-rhodium-protection-flux-4oz-120ml","title":"Firescoff Rh Rhodium Protection Flux 4 Oz. (120ml)","description":"\u003cp\u003e\u003cstrong\u003eFirescoff Rh\u003c\/strong\u003e is a rhodium-protection ceramic flux formulated to let you solder and repair rhodium-plated and gold-filled jewelry without damaging the plated layer. It also helps prevent rhodium from turning black. Expect longer working time at higher temps and \u003cem\u003ewarm-water cleanup\u003c\/em\u003e that eliminates the need for an acid pickle pot.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProtects rhodium-plated metals:\u003c\/strong\u003e Solder without stripping or dulling the plated layer.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMulti-purpose ceramic flux:\u003c\/strong\u003e Flux, firescale preventer, and heat shield in one spray.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eClean, fast workflow:\u003c\/strong\u003e Residue removes with warm water — no pickle required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBench-friendly handling:\u003c\/strong\u003e Longer working time at higher temperature ranges.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003cth\u003eProduct\u003c\/th\u003e\n\u003ctd\u003eFirescoff Rh Rhodium Protection Flux\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eVolume\u003c\/th\u003e\n\u003ctd\u003e4 oz (120 ml)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eForm\u003c\/th\u003e\n\u003ctd\u003eSpray-on ceramic flux\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eUse Cases\u003c\/th\u003e\n\u003ctd\u003eRhodium-plated white gold, gold-filled, silver, and mixed-metal assemblies\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003ctd\u003e154.399\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eFirescoff\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRing resizes and repairs on rhodium-plated white gold\u003c\/li\u003e\n  \u003cli\u003eSoldering near rhodium-plated components or trims\u003c\/li\u003e\n  \u003cli\u003eGold-filled and silver assemblies needing added surface protection\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow to Use\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003ePre-warm the piece gently.\u003c\/li\u003e\n  \u003cli\u003eApply Firescoff Rh as a fine, even spray coating.\u003c\/li\u003e\n  \u003cli\u003eSolder as usual; reapply if areas become exposed.\u003c\/li\u003e\n  \u003cli\u003eClean off residue with warm water or in an ultrasonic.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eUse with adequate ventilation and standard shop PPE.\u003c\/li\u003e\n  \u003cli\u003eAvoid overheating localized areas; reapply coating as needed.\u003c\/li\u003e\n  \u003cli\u003eCalifornia Prop 65 warning may apply; see product label.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581692051670,"sku":"154.399","price":36.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/firescoff-rh-rhodium-protection-flux-4-oz-120ml-otto-frei-1.jpg?v=1719957447"},{"product_id":"plastic-flux-dispenser-squeeze-bottle-4-tips","title":"Plastic Flux Dispenser Squeeze Bottle With 4 Tips","description":"\u003cp\u003eKeep your soldering workflow clean and precise with this plastic flux dispenser squeeze bottle. Designed for jewelers, metalsmiths, and bench professionals who need consistent, controlled flux application, this squeeze bottle delivers flux exactly where you need it—minimizing waste and mess at the bench. The included set of four interchangeable tips allows you to match the dispensing style to your specific soldering task, whether you need a fine-point application or broader coverage.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSqueeze-action bottle for controlled, on-demand flux dispensing\u003c\/li\u003e\n\u003cli\u003eComes with 4 interchangeable tips for versatile application options\u003c\/li\u003e\n\u003cli\u003ePlastic construction is compatible with liquid flux formulations\u003c\/li\u003e\n\u003cli\u003eHelps reduce flux waste and bench mess during soldering operations\u003c\/li\u003e\n\u003cli\u003eCompact design fits conveniently at the jeweler's bench\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 plastic flux dispenser squeeze bottle\u003c\/li\u003e\n\u003cli\u003e4 interchangeable dispensing tips\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581727932630,"sku":"154.142","price":5.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/plastic-flux-dispenser-squeeze-bottle-with-4-tips-otto-frei.jpg?v=1719957424"},{"product_id":"jel-flux-hard-soldering-gel-flux-2oz-jar","title":"Jel-Flux 2 Oz. Jar","description":"\u003cp\u003eJel-Flux is a professional-grade soldering flux formulated for hard soldering with flame. It combines the stay-put reliability of a paste with the clarity of a liquid, so it remains exactly where applied without running or spreading. This unique gel consistency eliminates the guesswork of blind joint soldering by keeping the flux visible and in place throughout the soldering process.\u003c\/p\u003e\u003cp\u003eJel-Flux produces fewer oxides and residues than traditional fluxes, which means faster, easier pickling after soldering. The formula contains no toxic fumes and is biodegradable, making it a safer choice for studio and bench environments.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFormulated for hard soldering with flame\u003c\/li\u003e\n\u003cli\u003eGel consistency stays in place — does not run or spread\u003c\/li\u003e\n\u003cli\u003eTransparent like a liquid for clear joint visibility\u003c\/li\u003e\n\u003cli\u003eEliminates blind joint soldering\u003c\/li\u003e\n\u003cli\u003eProduces fewer oxides and residues for faster pickling\u003c\/li\u003e\n\u003cli\u003eNo toxic fumes\u003c\/li\u003e\n\u003cli\u003eBiodegradable formula\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003ctd\u003e2 oz. jar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eForm\u003c\/th\u003e\n\u003ctd\u003eGel (paste-like consistency, transparent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003ctd\u003eHard soldering with flame\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFumes\u003c\/th\u003e\n\u003ctd\u003eNo toxic fumes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBiodegradable\u003c\/th\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581742842070,"sku":"154.438","price":9.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/jel-flux-2-oz-jar-otto-frei.jpg?v=1719957416"},{"product_id":"ronda-coryells-masking-mud-argentium-silver-anti-fusing","title":"Ronda Coryell's Masking Mud","description":"\u003cp\u003eRonda Coryell's Masking Mud is an anti-fusing and anti-soldering agent formulated specifically for use when fusing Argentium Silver. Apply a thin coating to any area where you need to prevent fusing or soldering, and when your work is complete, remove it easily with water and a soft brush.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDesigned as an anti-fusing and anti-soldering agent for Argentium Silver\u003c\/li\u003e\n\u003cli\u003eEasy application — apply a thin coating to areas requiring protection\u003c\/li\u003e\n\u003cli\u003eSimple cleanup with water and a soft brush\u003c\/li\u003e\n\u003cli\u003eNon-toxic formula\u003c\/li\u003e\n\u003cli\u003eMade in the USA\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eCountry of Origin\u003c\/th\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eToxicity\u003c\/th\u003e\n\u003ctd\u003eNon-toxic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePrimary Use\u003c\/th\u003e\n\u003ctd\u003eAnti-fusing and anti-soldering agent for Argentium Silver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cp\u003eKeep out of the reach of children. This product is not considered to be or to contain hazardous chemicals based on evaluations made by Ronda Coryell's company under the OSHA Hazard Communication Standard 29 CFR 1910.1200.\u003c\/p\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43584405897430,"sku":"154.466","price":20.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/ronda-coryell-s-masking-mud-otto-frei.jpg?v=1719956215"},{"product_id":"stop-flow-anti-flux-liquid-quarter-oz","title":"Stop-Flow Anti-Flux Liquid 1\/4 oz.","description":"\u003cp\u003eStop-Flow Anti-Flux Liquid is a professional-grade barrier solution that prevents solder from flowing into areas where it is not wanted. Apply it to surfaces adjacent to a solder joint to keep solder precisely where you intend it — ideal for complex assemblies, multiple-solder operations, and detailed metalwork where control is critical. This anti-flux is non-toxic and biodegradable, making it a responsible choice for studio and workshop use.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePrevents solder flow in unwanted areas for precise soldering control\u003c\/li\u003e\n\u003cli\u003eNon-toxic formula safe for studio and professional workshop environments\u003c\/li\u003e\n\u003cli\u003eBiodegradable and environmentally responsible\u003c\/li\u003e\n\u003cli\u003eWell-suited for complex assemblies and multi-stage soldering operations\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003ctd\u003e1\/4 oz.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFormula\u003c\/th\u003e\n\u003ctd\u003eLiquid\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eToxicity\u003c\/th\u003e\n\u003ctd\u003eNon-toxic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eEnvironmental\u003c\/th\u003e\n\u003ctd\u003eBiodegradable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e1 bottle of Stop-Flow Anti-Flux Liquid, 1\/4 oz.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43584724631766,"sku":"154.472","price":9.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/stop-flow-anti-flux-liquid-14-oz-otto-frei.jpg?v=1719955982"},{"product_id":"therm-a-guard-thermal-wrap-silica-flame-guard-2oz","title":"Therm-A-Guard Thermal Wrap-2 oz Can","description":"\u003cp\u003eSolder safely with stones and jewels intact. Therm-A-Guard Thermal Wrap is a silica-based flame guard designed to protect gemstones and jewels from heat damage during soldering and heating operations. Unlike messy creams and greasy pastes, Therm-A-Guard requires no brushes and leaves nothing to clean up afterward. It is odorless, non-toxic, long lasting, and fully reusable — making it a practical, professional-grade solution for everyday bench work.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSilica-based material shields stones and jewels from heat during soldering\u003c\/li\u003e\n\u003cli\u003eReduces heat transference at temperatures up to 2,000°F\u003c\/li\u003e\n\u003cli\u003eOdorless and non-toxic formula safe for bench use\u003c\/li\u003e\n\u003cli\u003eNo messy creams, greasy residue, or brush cleanup required\u003c\/li\u003e\n\u003cli\u003eLong lasting and reusable for repeated applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003ctd\u003e2 oz can\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eSilica\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaximum Temperature\u003c\/th\u003e\n\u003ctd\u003e2,000°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOdor\u003c\/th\u003e\n\u003ctd\u003eOdorless\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eToxicity\u003c\/th\u003e\n\u003ctd\u003eNon-toxic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eReusable\u003c\/th\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43586800124118,"sku":"154.475","price":21.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/therm-a-guard-thermal-wrap-2-oz-can-otto-frei.jpg?v=1719955780"},{"product_id":"bergeon-6634-05-technoflux-cool-paste-120ml-tube","title":"Bergeon 6634-05 Technoflux Cool Paste-120ml Tube","description":"\u003cp\u003eThe Bergeon 6634-05 Technoflux Cool Paste is imported from Spain and is recognized as the number one heat sink paste in Europe. Designed to protect heat-sensitive components during soldering, this paste shields adjacent metal parts from unwanted heat transfer, allowing precise, controlled work without risking damage to surrounding areas.\u003c\/p\u003e\n\n\u003cp\u003eApplication is straightforward: clean all parts to be protected, apply a 6–7mm coating of the paste over those areas, then proceed with soldering as normal. Once the work is complete, paste residue cleans away easily with water, leaving no complicated cleanup process.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eNumber one heat sink paste in Europe\u003c\/li\u003e\n\u003cli\u003eImported from Spain\u003c\/li\u003e\n\u003cli\u003eProtects heat-sensitive components during soldering operations\u003c\/li\u003e\n\u003cli\u003eApply a 6–7mm coating over areas to be protected before soldering\u003c\/li\u003e\n\u003cli\u003eResidue cleans away with water for easy post-solder cleanup\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003ctd\u003eBergeon 6634-05\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Name\u003c\/th\u003e\n\u003ctd\u003eTechnoflux Cool Paste\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eNet Volume\u003c\/th\u003e\n\u003ctd\u003e120ml\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eContainer Type\u003c\/th\u003e\n\u003ctd\u003eTube\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eOrigin\u003c\/th\u003e\n\u003ctd\u003eSpain\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCleanup\u003c\/th\u003e\n\u003ctd\u003eWater\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43586800353494,"sku":"154.450","price":15.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/154.450NEW_thumb_9d1a0036-9885-4633-8af8-42400d8d1326.jpg?v=1720556452"},{"product_id":"handy-flux-paste-flux-non-ferrous-1100-1700f","title":"Handy Flux Paste Flux","description":"\u003cp\u003eHandy Flux Paste is a trusted soldering flux formulated for use with gold, silver, brass, copper, and other non-ferrous metals. Its paste consistency allows for precise application to joints and seams, helping to prevent oxidation and promote clean solder flow across a wide temperature range.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSuitable for soldering gold, silver, brass, copper, and other non-ferrous metals\u003c\/li\u003e\n\u003cli\u003ePaste formula allows for controlled, targeted application\u003c\/li\u003e\n\u003cli\u003eEffective temperature range of 1100°F–1700°F\u003c\/li\u003e\n\u003cli\u003eContains fluorides, potassium, and hydroxide\u003c\/li\u003e\n\u003cli\u003eIf flux dries out, consistency can be restored by adding a few drops of distilled water\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eComposition\u003c\/th\u003e\n\u003ctd\u003eContains fluorides, potassium, and hydroxide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTemperature Range\u003c\/th\u003e\n\u003ctd\u003e1100°F–1700°F\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Metals\u003c\/th\u003e\n\u003ctd\u003eGold, silver, brass, copper, and other non-ferrous metals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eForm Factor\u003c\/th\u003e\n\u003ctd\u003ePaste\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e154.420\u003c\/td\u003e\n\u003ctd\u003e7 oz.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e154.421\u003c\/td\u003e\n\u003ctd\u003e16 oz.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eStore paste flux in a cool, dry place. If the flux dries out over time, add a few drops of distilled water and mix to restore it to its original consistency. Contains fluorides — handle with appropriate care and follow all safety precautions when using fluoride-containing compounds.\u003c\/p\u003e","brand":"Otto Frei","offers":[{"title":"7 oz.","offer_id":47551724257494,"sku":"154.420","price":10.15,"currency_code":"USD","in_stock":true},{"title":"16 oz.","offer_id":47551724290262,"sku":"154.421","price":23.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/handy-flux-paste-flux-otto-frei.jpg?v=1719955449"},{"product_id":"firescoff-ceramic-flux-scale-preventer-spray","title":"Firescoff","description":"\u003cp\u003eFirescoff™ is a revolutionary heat-activated ceramic spray coating that combines a scale preventer, a high-performance non-fluorinated flux, and easy warm water cleanup — all in one product. Formulated for both hard and soft solder, Firescoff™ replaces boric acid, paste flux, and pickle solution in a single step. Leading jewelers and jewelry manufacturers have made the switch because it offers faster workflows, superior metal protection, and a no-acid cleanup that removes dangerous pickling acids from the workbench entirely.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIntegrated non-fluorinated flux for consistent soft and hard solder welding\u003c\/li\u003e\n\u003cli\u003ePerform multiple soldering operations without waiting between steps\u003c\/li\u003e\n\u003cli\u003eStrong, non-brittle, void-free welds\u003c\/li\u003e\n\u003cli\u003eGreater control when reticulating with silver or gold\u003c\/li\u003e\n\u003cli\u003eSuperior performance over boric acid, Batterns flux, and paste flux\u003c\/li\u003e\n\u003cli\u003eProvides stray heat protection for gemstones\u003c\/li\u003e\n\u003cli\u003ePrevents scaling of metal alloys including gold, stainless steel, copper, and silver\u003c\/li\u003e\n\u003cli\u003eWarm water cleanup — less than 2 minutes in an ultrasonic cleaner\u003c\/li\u003e\n\u003cli\u003eEliminates the need for dangerous pickling acids at the workbench\u003c\/li\u003e\n\u003cli\u003eAlcohol-free — no dangerous flash, no burn residue\u003c\/li\u003e\n\u003cli\u003eNo smell, no outgassing\u003c\/li\u003e\n\u003cli\u003eSignificant improvement in safety over traditional soldering methods\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e154.396\u003c\/td\u003e\n\u003ctd\u003e1 oz.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e154.398\u003c\/td\u003e\n\u003ctd\u003e4 oz.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"1 oz.","offer_id":47551726321878,"sku":"154.396","price":14.6,"currency_code":"USD","in_stock":true},{"title":"4 oz.","offer_id":47551726354646,"sku":"154.398","price":31.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/firescoff-otto-frei.jpg?v=1719955434"},{"product_id":"prips-flux-fluoride-free-firecoat-protection-8-32oz","title":"Prip's Flux Flouride-Free For Firecoat Protection","description":"\u003cp\u003ePrip's Flux from Griffith is a pre-mixed, fluoride-free liquid hard soldering flux formulated to prevent firecoat and firescale formation during soldering. This ready-to-use solution eliminates the guesswork of mixing your own Prip's flux — the formula is consistent every time. Apply before your primary flux as a firecoat protection step. Contains boric acid. Available in two convenient sizes.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePre-mixed liquid Prip's flux — no measuring or mixing required\u003c\/li\u003e\n\u003cli\u003ePrevents firecoat and firescale formation during hard soldering\u003c\/li\u003e\n\u003cli\u003eApply before primary flux for firescale protection\u003c\/li\u003e\n\u003cli\u003eFluoride-free formula\u003c\/li\u003e\n\u003cli\u003eContains boric acid\u003c\/li\u003e\n\u003cli\u003eReady to use straight from the bottle\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eLiquid hard soldering flux\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFluoride-Free\u003c\/th\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eContains\u003c\/th\u003e\n\u003ctd\u003eBoric acid\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eProp 65\u003c\/th\u003e\n\u003ctd\u003eYes — Boric Acid, Phthalates\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eAvailable Options\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e154.502\u003c\/td\u003e\n\u003ctd\u003e8 oz.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e154.504\u003c\/td\u003e\n\u003ctd\u003e32 oz.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"8 oz.","offer_id":47551728419030,"sku":"154.502","price":9.5,"currency_code":"USD","in_stock":false},{"title":"32 oz.","offer_id":47551728451798,"sku":"154.504","price":21.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/prip-s-flux-flouride-free-for-firecoat-protection-otto-frei.jpg?v=1719955399"},{"product_id":"batterns-self-pickling-hard-soldering-flux-3-32oz","title":"Soldering Flux - Batterns","description":"\u003cp\u003e\u003cstrong\u003eBatterns Soldering Flux\u003c\/strong\u003e has been the proven standard of quality for over 50 years and remains America's #1 jeweler's hard soldering liquid flux. Designed for professional jewelers, this self-pickling formula makes hard soldering almost as easy as soft soldering. Formulated for use on \u003cstrong\u003egold, silver, platinum,\u003c\/strong\u003e and other high-melting-point metals, Batterns Flux protects metal color and temper during soldering. Its natural adhesion helps hold solder in place for precise results every time.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSelf-pickling liquid flux for hard soldering\u003c\/li\u003e\n\u003cli\u003eEffective on gold, silver, platinum, and other precious metals\u003c\/li\u003e\n\u003cli\u003ePreserves temper and color of the workpiece\u003c\/li\u003e\n\u003cli\u003eAdhesive action holds solder securely in place\u003c\/li\u003e\n\u003cli\u003eContains boric acid and ammonium chloride\u003c\/li\u003e\n\u003cli\u003eTrusted by professional jewelers for over 50 years\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eSelf-Pickling Hard Soldering Flux\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eComposition\u003c\/th\u003e\n\u003ctd\u003eBoric acid and ammonium chloride\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Metals\u003c\/th\u003e\n\u003ctd\u003eGold, silver, platinum, and other high-melting-point metals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e154.402\u003c\/td\u003e\n\u003ctd\u003e3 oz.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e154.404\u003c\/td\u003e\n\u003ctd\u003e8 oz.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e154.406\u003c\/td\u003e\n\u003ctd\u003e16 oz.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e154.408\u003c\/td\u003e\n\u003ctd\u003e32 oz.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\u003cp\u003eOne bottle of Batterns Soldering Flux in the selected size.\u003c\/p\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eUse in a well-ventilated area. Avoid contact with skin and eyes. Store tightly capped when not in use. This product contains boric acid and is subject to Proposition 65 warnings.\u003c\/p\u003e","brand":"Otto Frei","offers":[{"title":"3 oz.","offer_id":47551752798422,"sku":"154.402","price":7.0,"currency_code":"USD","in_stock":true},{"title":"8 oz.","offer_id":47551752831190,"sku":"154.404","price":8.25,"currency_code":"USD","in_stock":true},{"title":"16 oz.","offer_id":47551752863958,"sku":"154.406","price":14.95,"currency_code":"USD","in_stock":true},{"title":"32 oz.","offer_id":47551752896726,"sku":"154.408","price":24.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/soldering-flux-batterns-otto-frei.jpg?v=1719955144"},{"product_id":"ottoflux-silver-brazing-paste-flux","title":"Ottoflux Paste Flux","description":"\u003cp\u003eOttoFlux Paste Flux is a creamy white silver brazing flux designed to promote clean, reliable solder joints while protecting metal surfaces during heating. Active up to 1600°F (870°C), it supports strong wetting and bonding across a wide range of metals commonly used in jewelry and metalworking. The smooth paste consistency spreads easily and remains stable without hardening or crystallizing when stored properly.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCreamy white silver brazing paste flux for jewelry and metalworking\u003c\/li\u003e\n\u003cli\u003eActive and protective up to 1600°F (870°C)\u003c\/li\u003e\n\u003cli\u003eSuitable for gold, silver, platinum, copper, copper alloys, ferrous metals, nickel, and carbides\u003c\/li\u003e\n\u003cli\u003eContains no potassium bifluoride for reduced skin irritation\u003c\/li\u003e\n\u003cli\u003ePaste consistency may be used as supplied or diluted with water\u003c\/li\u003e\n\u003cli\u003eFlux and residue are soluble in hot water for easy cleanup\u003c\/li\u003e\n\u003cli\u003eTwo-year shelf life when stored properly\u003c\/li\u003e\n\u003cli\u003eAlso known as Superior No. 6 Paste Flux\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eFlux Type\u003c\/th\u003e\n\u003ctd\u003eSilver Brazing Paste Flux\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaximum Working Temperature\u003c\/th\u003e\n\u003ctd\u003e1600°F (870°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eConsistency\u003c\/th\u003e\n\u003ctd\u003ePaste\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eActive Ingredient\u003c\/th\u003e\n\u003ctd\u003ePotassium Fluoborate (CAS 14075-53-7)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShelf Life\u003c\/th\u003e\n\u003ctd\u003e2 Years (Properly Stored)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eOtto Frei\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e154.440\u003c\/td\u003e\n\u003ctd\u003e1.5 oz (43 g)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e154.442\u003c\/td\u003e\n\u003ctd\u003e8 oz (227 g)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e154.444\u003c\/td\u003e\n\u003ctd\u003e16 oz (454 g)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e154.446\u003c\/td\u003e\n\u003ctd\u003e5 lb (2.27 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eOttoFlux may be used directly from the container or diluted with water to achieve a thinner consistency. Warming the flux to approximately 140–180°F (60–82°C) reduces viscosity and increases activity. Always apply flux to clean metal surfaces before heating and soldering. Residues can be removed with hot water (at least 140°F\/60°C).\u003c\/p\u003e\n\u003cp\u003eAvoid contact with skin, eyes, or clothing. Use appropriate protective equipment, including safety goggles and gloves, and ensure adequate ventilation during brazing operations. Dispose of flux residues according to local and federal environmental guidelines.\u003c\/p\u003e","brand":"Otto Frei","offers":[{"title":"1-1\/2 oz.","offer_id":47551752667350,"sku":"154.440","price":8.25,"currency_code":"USD","in_stock":true},{"title":"8 oz.","offer_id":47551752700118,"sku":"154.442","price":13.5,"currency_code":"USD","in_stock":true},{"title":"16 oz.","offer_id":47551752732886,"sku":"154.444","price":20.95,"currency_code":"USD","in_stock":true},{"title":"5 lbs","offer_id":47551752765654,"sku":"154.446","price":74.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/ottoflux-paste-flux-otto-frei.jpg?v=1719955141"},{"product_id":"cupronil-fire-scale-preventive-flux-fire-coat","title":"Cupronil Fire Scale Preventive","description":"\u003cp\u003eCupronil Fire Scale Preventive is a combination flux and fire coat designed to reduce oxidation and help control solder flow during heating. Especially effective on sterling silver, it forms a protective barrier that minimizes fire scale while supporting clean, bright solder joints. Available in three sizes to suit bench jewelers and high-volume production alike.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCombination flux and fire scale retardant in a single product\u003c\/li\u003e\n\u003cli\u003eHighly effective on sterling silver; suitable for all non-ferrous metals\u003c\/li\u003e\n\u003cli\u003eActs as an anti-flux to inhibit solder flow to unwanted areas\u003c\/li\u003e\n\u003cli\u003eForms a protective white haze on the surface when properly heated\u003c\/li\u003e\n\u003cli\u003eIdeal for soldering silver, gold, and other non-ferrous alloys\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eCombination Flux \u0026amp; Fire Scale Preventive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSuitable Metals\u003c\/th\u003e\n\u003ctd\u003eSterling silver and other non-ferrous metals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eComposition\u003c\/th\u003e\n\u003ctd\u003eCopper, potassium, sodium borate, boric acid\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e154.390\u003c\/td\u003e\n\u003ctd\u003e4 oz (118 mL)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e154.393\u003c\/td\u003e\n\u003ctd\u003e16 oz (473 mL)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e154.395\u003c\/td\u003e\n\u003ctd\u003e1 Gallon (3.78 L)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eInstructions\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eStir before use and keep the container closed when not in use.\u003c\/li\u003e\n\u003cli\u003eApply a smooth, even coat to warmed metal using a spray or soft brush.\u003c\/li\u003e\n\u003cli\u003eHeat metal until Cupronil forms a white haze on the surface.\u003c\/li\u003e\n\u003cli\u003eTouch up any areas not fully coated.\u003c\/li\u003e\n\u003cli\u003eSolder as usual, then pickle, rinse, and polish.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eApply evenly and avoid overheating the metal before the protective white haze has fully formed for best results.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Otto Frei","offers":[{"title":"4 oz.","offer_id":47551753027798,"sku":"154.390","price":5.95,"currency_code":"USD","in_stock":true},{"title":"16 oz.","offer_id":47551753060566,"sku":"154.393","price":14.95,"currency_code":"USD","in_stock":true},{"title":"1 Gallon","offer_id":47551753093334,"sku":"154.395","price":84.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/cupronil-fire-scale-preventive-otto-frei.jpg?v=1719955141"},{"product_id":"stay-clean-liquid-flux-zinc-chloride-4oz","title":"Stay Clean Flux","description":"\u003cp\u003eStay-Clean® Liquid Flux is a general purpose zinc chloride soft soldering flux formulated for use with soldering irons. Ideal for joining non-ferrous metals such as silver, copper, and brass to a variety of dissimilar metals including mild steel. Compatible with soft solders including Stay-Brite solder, tin-lead solders, and tin-antimony solders.\u003c\/p\u003e\u003cp\u003eStay-Clean Liquid Flux works for soldering virtually all metals except aluminum, magnesium, or titanium. Not recommended for electrical or electronic applications.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eShipping Restriction:\u003c\/strong\u003e Ships via UPS Ground or FedEx Ground only. Cannot ship outside of the USA, via USPS, or by air.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eGeneral purpose zinc chloride formula for soft soldering applications\u003c\/li\u003e\n\u003cli\u003eFor use with soldering irons\u003c\/li\u003e\n\u003cli\u003eJoins non-ferrous metals — silver, copper, and brass — to dissimilar metals including mild steel\u003c\/li\u003e\n\u003cli\u003eCompatible with Stay-Brite solder, tin-lead solders, and tin-antimony solders\u003c\/li\u003e\n\u003cli\u003eSuitable for virtually all metals except aluminum, magnesium, or titanium\u003c\/li\u003e\n\u003cli\u003eNot recommended for electrical or electronic applications\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSpecifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eFlux Type\u003c\/th\u003e\n\u003ctd\u003eZinc chloride liquid flux\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eApplication Method\u003c\/th\u003e\n\u003ctd\u003eSoldering iron\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Metals\u003c\/th\u003e\n\u003ctd\u003eSilver, copper, brass, mild steel, and most non-ferrous metals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIncompatible Metals\u003c\/th\u003e\n\u003ctd\u003eAluminum, magnesium, titanium\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCompatible Solders\u003c\/th\u003e\n\u003ctd\u003eStay-Brite solder, tin-lead solders, tin-antimony solders\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShipping Restriction\u003c\/th\u003e\n\u003ctd\u003eUPS Ground or FedEx Ground only; USA only; no air shipment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eAvailable Options\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e154.453\u003c\/td\u003e\n\u003ctd\u003e4 oz.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e","brand":"Otto Frei","offers":[{"title":"4 oz.","offer_id":47551753191638,"sku":"154.453","price":10.35,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/stay-clean-flux-otto-frei-1.jpg?v=1719955141"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/collections\/fluxes-otto-frei.jpg?v=1726692495","url":"https:\/\/www.ottofrei.com\/collections\/jewelry-soldering-flux.oembed","provider":"Otto Frei","version":"1.0","type":"link"}