{"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","url":"https:\/\/www.ottofrei.com\/products\/cupronil-fire-scale-preventive-flux-fire-coat","provider":"Otto Frei","version":"1.0","type":"link"}