{"title":"Art Clay Silver","description":"\u003cp\u003eArt Clay Silver is a metal clay that fires to fine silver. Stock covers lump clay in 10, 20, and 50 gram packages, paste in a jar and in a syringe, and 650 Low Fire Overlay Paste for glass and glazed ceramics. Art Clay Copper and loose fine silver leaf sit alongside. Standard firing is 30 minutes at 1200 degrees F, with 8 to 9 percent shrinkage.\u003c\/p\u003e","products":[{"product_id":"art-clay-silver-new-formula-10g","title":"ArtClay Silver 10 gram Package","description":"\u003cp\u003e\u003cstrong\u003eArt Clay Silver 10 gram Package\u003c\/strong\u003e uses the New Formula that combines the best characteristics of the Original, 650 Low Fire, and Slow Dry clays. It provides longer open working time, easier shaping, and clean carving at the dry (green) stage — then fires to bright fine silver. The updated formulation is widely noted for producing a smoother post-firing surface and fewer drying cracks than earlier Art Clay Silver formulas.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUpdated formulation combining strengths of Original, 650, and Slow Dry clays\u003c\/li\u003e\n\u003cli\u003eExtended working time for multi-part assemblies and fine detail work\u003c\/li\u003e\n\u003cli\u003eEasier carving and filing at the dry (green) stage\u003c\/li\u003e\n\u003cli\u003eReconstitutes quickly from dried clay; formulated to absorb moisture readily\u003c\/li\u003e\n\u003cli\u003eOnly 8–9% shrinkage after firing\u003c\/li\u003e\n\u003cli\u003eFires to bright fine silver\u003c\/li\u003e\n\u003cli\u003eStandard firing: 30 minutes at 1200°F (650°C)\u003c\/li\u003e\n\u003cli\u003eQuick firing: as little as 5 minutes at 1472°F (800°C) or above\u003c\/li\u003e\n\u003cli\u003eSimilar heated drying time to prior formulas\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eNet Weight\u003c\/th\u003e\n\u003ctd\u003e10 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial After Firing\u003c\/th\u003e\n\u003ctd\u003eFine silver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShrinkage\u003c\/th\u003e\n\u003ctd\u003e8–9%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStandard Firing\u003c\/th\u003e\n\u003ctd\u003e1200°F (650°C) for 30 minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eQuick Firing\u003c\/th\u003e\n\u003ctd\u003e1472°F (800°C+) for 5 minutes minimum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKeep unused clay sealed to retain moisture. Rehydrate dried clay with a few drops of water and knead until uniform.\u003c\/li\u003e\n\u003cli\u003eDry the piece completely before firing for best strength and surface finish.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Art Clay Silver","offers":[{"title":"Default Title","offer_id":43581621043414,"sku":"854-53","price":87.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/artclay-silver-10-gram-package-otto-frei.jpg?v=1719957492"},{"product_id":"art-clay-silver-new-formula-20g","title":"ArtClay Silver 20 gram Package","description":"\u003cp\u003eSilver metal clay lets you model, texture and carve a piece at the bench, then fire it into solid fine silver without soldering or casting. \u003cstrong\u003eArt Clay Silver 20 gram Package\u003c\/strong\u003e features the New Formula that combines the best characteristics of the Original, 650 Low Fire and Slow Dry clays. It offers longer open time, easier shaping, clean carving and a bright fine silver finish, making it an excellent choice for jewelers and metalsmiths working with metal clay techniques. It is sold by the package at a net weight of 20 g.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUpdated formulation combining strengths of the Original, 650 and Slow Dry clays\u003c\/li\u003e\n\u003cli\u003eImproved workability and extended open working time\u003c\/li\u003e\n\u003cli\u003eSimilar heated drying time to prior formulas\u003c\/li\u003e\n\u003cli\u003eOnly 8–9% shrinkage\u003c\/li\u003e\n\u003cli\u003eEasier carving and filing at the dry (green) stage\u003c\/li\u003e\n\u003cli\u003eReconstitutes quickly from dried clay; formulated to absorb moisture well\u003c\/li\u003e\n\u003cli\u003eFiring matches the 650 schedule: 30 minutes at 1200°F (650°C), or as little as 5 minutes at 1472°F (800°C) or above\u003c\/li\u003e\n\u003cli\u003eSmoother post-firing surface and fewer drying cracks than earlier formulas\u003c\/li\u003e\n\u003cli\u003eHigh-quality finishing and bright fine silver shine after firing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKeep unused clay sealed to retain moisture. Rehydrate dried clay with a few drops of water and knead until uniform.\u003c\/li\u003e\n\u003cli\u003eDry completely before firing for best strength and surface finish.\u003c\/li\u003e\n\u003cli\u003eSuitable for fine silver jewelry, components and detailed texture work. The extended working time supports multi-part assemblies and fine detail applications.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Art Clay Silver","offers":[{"title":"Default Title","offer_id":43581621371094,"sku":"854-54","price":173.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/artclay-silver-20-gram-package-otto-frei.jpg?v=1719957492"},{"product_id":"art-clay-silver-50g-new-formula","title":"ArtClay Silver 50 gram Package","description":"\u003cp\u003eSilver metal clay lets you sculpt, texture and carve a piece at the bench, then fire it into solid fine silver without soldering or casting. \u003cstrong\u003eArt Clay Silver 50 gram Package\u003c\/strong\u003e uses the New Formula, which combines the best characteristics of the Original, 650 Low Fire and Slow Dry clays. It offers longer open time, easier shaping, clean carving and a bright fine silver finish, consistent with the 10 g and 20 g packages. It is sold by the package, and the larger 50 g quantity is well suited to bigger projects or ongoing studio use.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eUpdated formulation combining strengths of the Original, 650 Low Fire and Slow Dry clays\u003c\/li\u003e\n\u003cli\u003eImproved workability and extended open working time\u003c\/li\u003e\n\u003cli\u003eSimilar heated drying time to prior formulas\u003c\/li\u003e\n\u003cli\u003eOnly 8–9% shrinkage after firing\u003c\/li\u003e\n\u003cli\u003eEasier carving and filing at the dry (green) stage\u003c\/li\u003e\n\u003cli\u003eReconstitutes quickly from dried clay; formulated to absorb moisture well\u003c\/li\u003e\n\u003cli\u003eFiring matches the 650 schedule: 30 minutes at 1200°F (650°C), or as little as 5 minutes at or above 1472°F (800°C)\u003c\/li\u003e\n\u003cli\u003eSmoother post-firing surface and fewer drying cracks than earlier formulas\u003c\/li\u003e\n\u003cli\u003eHigh-quality finishing and shine after firing to fine silver\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eKeep unused clay sealed to retain moisture; rehydrate dried clay with a few drops of water and knead until uniform.\u003c\/li\u003e\n\u003cli\u003eEnsure pieces are fully dry before firing for best strength and surface finish.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Art Clay Silver","offers":[{"title":"Default Title","offer_id":43581623206102,"sku":"854-75","price":371.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/artclay-silver-50-gram-package-otto-frei.jpg?v=1719957489"},{"product_id":"art-clay-silver-paste-20-gram-jar","title":"ArtClay Silver Paste 20 Gram Jar","description":"\u003cp\u003eArt Clay Silver Paste is the same material as Art Clay Silver, formulated with a higher water content for a smooth, yogurt-like consistency. It can be diluted further with water, making it easy to apply with a brush directly onto organic materials such as leaves and twigs. During firing, the organic substrate burns away completely, leaving behind a lightweight, hollow fine silver piece with exceptional surface detail.\u003c\/p\u003e\u003cp\u003eBeyond its use as a painting medium, Art Clay Silver Paste serves as an essential joining and repair material in the studio. Use it to bond unfired silver clay components together or to fill unwanted cracks and pits in clay work before firing. Its fluid consistency allows precise application in tight areas where slab or lump clay cannot reach.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHigher water content than standard Art Clay Silver lump clay—yogurt-like consistency for easy brush application\u003c\/li\u003e\n\u003cli\u003eCan be thinned further with water to achieve the desired working consistency\u003c\/li\u003e\n\u003cli\u003eIdeal for painting directly onto organic items such as leaves, twigs, and other burnout materials\u003c\/li\u003e\n\u003cli\u003eOrganic substrates burn away during firing, producing lightweight hollow fine silver pieces\u003c\/li\u003e\n\u003cli\u003eBonds unfired silver clay pieces together and fills cracks or surface pits\u003c\/li\u003e\n\u003cli\u003eCompatible with kiln, butane torch, and stovetop firing methods\u003c\/li\u003e\n\u003cli\u003eMade in Japan\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\u003e20 grams\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eFine silver clay paste\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFiring Temperature\u003c\/th\u003e\n\u003ctd\u003e1200°F (650°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTypical Firing Time\u003c\/th\u003e\n\u003ctd\u003e30 minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFiring Methods\u003c\/th\u003e\n\u003ctd\u003eKiln, butane torch, or stovetop\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCountry of Origin\u003c\/th\u003e\n\u003ctd\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eContainer\u003c\/th\u003e\n\u003ctd\u003eJar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eStore paste in an airtight container to prevent drying. If the paste thickens, a small amount of water can be added to restore working consistency.\u003c\/li\u003e\n\u003cli\u003eFiring results in fine silver; standard silver clay shrinkage applies.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Art Clay Silver","offers":[{"title":"Default Title","offer_id":43581623337174,"sku":"854-67","price":160.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/artclay-silver-paste-20-gram-jar-otto-frei.jpg?v=1719957489"},{"product_id":"art-clay-silver-paste-10g-syringe","title":"ArtClay Silver Paste 10 gram Syringe","description":"\u003cp\u003e\u003cstrong\u003eArtClay Silver Paste 10 gram Syringe\u003c\/strong\u003e is a fine silver metal clay paste packaged in a syringe for precise application. Use it to paint directly on organic items such as leaves and twigs to create lightweight hollow silver forms after burnout, join unfired clay parts, repair hairline cracks and gaps, or attach findings. Typical firing is 30 minutes at 1200°F (650°C). Can be fired in a kiln, with a butane torch, or on a stovetop per manufacturer guidance. Made in Japan.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSyringe format enables clean line work, filigree, and precise joins\u003c\/li\u003e\n\u003cli\u003eIdeal for painting natural organics that burn out during firing to create hollow silver forms\u003c\/li\u003e\n\u003cli\u003eUseful for joining greenware pieces and filling small defects\u003c\/li\u003e\n\u003cli\u003eNew Formula workability with reliable, high-shine fine silver results\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePaint onto leaves and other organics to create hollow silver forms\u003c\/li\u003e\n\u003cli\u003eDraw filigree lines and build raised decorative details\u003c\/li\u003e\n\u003cli\u003eJoin unfired (green) silver clay parts; mend small cracks and gaps\u003c\/li\u003e\n\u003cli\u003eAttach findings before firing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eNet Weight\u003c\/th\u003e\n\u003ctd\u003e10 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFormat\u003c\/th\u003e\n\u003ctd\u003ePaste in syringe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial (after firing)\u003c\/th\u003e\n\u003ctd\u003eFine silver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTypical Firing\u003c\/th\u003e\n\u003ctd\u003e1200°F (650°C) for 30 minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFiring Methods\u003c\/th\u003e\n\u003ctd\u003eKiln, butane torch, or stovetop\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCountry of Origin\u003c\/th\u003e\n\u003ctd\u003eJapan\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 syringe of ArtClay Silver Paste, 10 g (hypo tips not included)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCompatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFits standard metal clay syringe tips—hypo tips not included and sold separately\u003c\/li\u003e\n\u003cli\u003eFor a larger quantity paste option, see the 20 g jar\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eDry thoroughly before firing for best strength and finish\u003c\/li\u003e\n\u003cli\u003eCap tightly when not in use to prevent drying; if needed, rehydrate minimally and mix to restore smooth flow\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Art Clay Silver","offers":[{"title":"Default Title","offer_id":43581624352982,"sku":"854-69","price":92.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/artclay-silver-paste-10-gram-syringe-otto-frei.jpg?v=1719957489"},{"product_id":"art-clay-silver-650-overlay-paste-15g","title":"ArtClay Silver 650 Low Fire Overlay Paste 15 gram Jar","description":"\u003cp\u003e\u003cstrong\u003eArtClay Silver 650 Low Fire Overlay Paste\u003c\/strong\u003e is a specialty silver clay paste formulated to bond silver to \u003cstrong\u003eglass\u003c\/strong\u003e and high-fire glazed \u003cstrong\u003eporcelain and ceramics\u003c\/strong\u003e. Unlike standard silver clay products, this paste forms a permanent bond to non-porous, high-temperature glazes, making it the professional's choice for decorative overlay work on compatible substrates. Apply directly to bisque or glazed porcelain and to compatible glass surfaces for precise, lasting results.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePurpose-made for glass and high-fire glazed porcelain and ceramics\u003c\/li\u003e\n\u003cli\u003eCreates a permanent bond on non-porous, high-temperature glazes\u003c\/li\u003e\n\u003cli\u003eUseful alternative to oil paste for lower-temperature repair and joining work\u003c\/li\u003e\n\u003cli\u003eSmooth consistency suitable for painting, outlining, and fine detail work\u003c\/li\u003e\n\u003cli\u003ePackaged in a \u003cstrong\u003e15 g glass jar\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eMade in Japan\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eNet Weight\u003c\/th\u003e\n\u003ctd\u003e15 g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackaging\u003c\/th\u003e\n\u003ctd\u003eGlass jar\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTypical Firing Temperature\u003c\/th\u003e\n\u003ctd\u003e1200°F (650°C) for 30 minutes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFiring Methods\u003c\/th\u003e\n\u003ctd\u003eElectric kiln, butane torch, or gas stovetop (per manufacturer guidance)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIntended Substrates\u003c\/th\u003e\n\u003ctd\u003eGlass; glazed porcelain and ceramics (high-temperature glazes)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCountry of Origin\u003c\/th\u003e\n\u003ctd\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eEnsure all surfaces are clean and fully dry before application.\u003c\/li\u003e\n\u003cli\u003eAllow work to dry completely prior to firing for best adhesion and strength.\u003c\/li\u003e\n\u003cli\u003eFollow appropriate kiln and torch safety practices, including proper ventilation.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Art Clay Silver","offers":[{"title":"Default Title","offer_id":43581624746198,"sku":"854-44","price":162.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/artclay-silver-650-low-fire-overlay-paste-15-gram-jar-otto-frei.jpg?v=1719957489"},{"product_id":"fine-pure-silver-leaf-25-leaves-85mm-loose","title":"Fine (Pure) Silver Leaf-25 Leaves","description":"\u003cp\u003eLay a true silver surface onto jewelry accents, mixed media, and studio finishes with loose leaf that releases from its tissue for precise placement.\u003c\/p\u003e\u003cp\u003eThis book holds \u003cstrong\u003e25 loose fine (pure) silver leaves\u003c\/strong\u003e, each measuring \u003cstrong\u003e3-3\/8\" x 3-3\/8\"\u003c\/strong\u003e (85 x 85 mm), and one book covers approximately \u003cstrong\u003e1-1\/2 sq ft\u003c\/strong\u003e (about 0.14 m²). Loose leaf releases easily from its tissue backing for delicate placement; unlike transfer leaf, it is preferred for interior work, fine details, and surfaces not exposed to weather. Sold per book of 25 leaves.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003ePure silver leaf for decorative gilding and embellishment\u003c\/li\u003e\n\u003cli\u003eLoose-leaf format for precise placement on delicate surfaces\u003c\/li\u003e\n\u003cli\u003eEach leaf measures 3-3\/8\" x 3-3\/8\" (85 x 85 mm)\u003c\/li\u003e\n\u003cli\u003eEach book covers approximately \u003cstrong\u003e1.5 sq ft\u003c\/strong\u003e (about 0.14 m²)\u003c\/li\u003e\n\u003cli\u003eSuitable for jewelry accents, mixed media, and studio finishes where a true silver leaf look is desired\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eLoose silver leaf lifts readily from the tissue; handle it with a gilder's tip or knife and minimize air currents during application.\u003c\/li\u003e\n\u003cli\u003eUse an adhesive appropriate to the substrate and burnish gently after laying.\u003c\/li\u003e\n\u003cli\u003eFor Keum-boo applications, use dedicated Keum-boo gold foil. Loose silver leaf is not a substitute for traditional Keum-boo bonding.\u003c\/li\u003e\n\u003cli\u003eTransfer leaf, which is not included here, is generally preferred for outdoor or weather-exposed applications.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581719707862,"sku":"143.490","price":30.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/fine-pure-silver-leaf-25-leaves-otto-frei.jpg?v=1719957427"},{"product_id":"art-clay-copper-metal-clay-50g","title":"Art Clay Copper 50 Gram Pack","description":"\u003cp\u003eShape, texture, and assemble metal clay at the bench to build jewelry components, decorative elements, and small sculptures that fire down to solid metal. \u003cstrong\u003eArt Clay Copper\u003c\/strong\u003e from Art Clay Silver is a user-friendly copper metal clay that fires cleanly with a butane torch or in an electric kiln, with \u003cem\u003eno activated carbon required\u003c\/em\u003e. In the clay state it is roughly 90% copper carried in moisture and an organic binder; after firing, pieces are 100% copper. It is sold as one sealed 50 g pack, with enough material for multiple projects.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eFires with a butane torch or an electric kiln, with no carbon media needed\u003c\/li\u003e\n\u003cli\u003eApproximately 10% shrinkage from clay to finished metal\u003c\/li\u003e\n\u003cli\u003eSuitable for painting over organic forms to create lightweight, hollow copper pieces after burnout\u003c\/li\u003e\n\u003cli\u003eWorks for charms, pendants, links, bead caps, findings, textured components, and relief work\u003c\/li\u003e\n\u003cli\u003eFinishes to solid copper: pickle, brush or burnish, then polish or tumble\u003c\/li\u003e\n\u003cli\u003eSupplied as one sealed 50 g pack\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eWorks with common metal clay tools. Keep a dedicated set to avoid cross-contamination with other metals.\u003c\/li\u003e\u003c\/ul\u003e\u003ch3\u003eNotes\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eUse a separate set of tools and finishing media from those used for silver or other metals.\u003c\/li\u003e\n\u003cli\u003eAfter firing, pickle to remove oxides, then brush or burnish and polish or tumble.\u003c\/li\u003e\n\u003cli\u003eEnsure pieces are fully dry before firing for best strength and surface quality.\u003c\/li\u003e\n\u003cli\u003eObserve standard kiln and torch safety practices and ensure adequate ventilation.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Art Clay Silver","offers":[{"title":"Default Title","offer_id":43581740712150,"sku":"856-300","price":28.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/art-clay-copper-50-gram-pack-otto-frei.jpg?v=1719957418"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/collections\/art-clay-silver-otto-frei.jpg?v=1726692568","url":"https:\/\/www.ottofrei.com\/it\/collections\/art-clay-silver-metal-clay.oembed","provider":"Otto Frei","version":"1.0","type":"link"}