{"product_id":"silver-casting-grain-sterling-fine-argentium-troy-ounce","title":"Sterling Silver, Fine Silver \u0026 Argentium Casting Grain By The Ounce","description":"\u003cp\u003eCasting grain for melting and pouring into investment molds at the bench, sold by the troy ounce (20 dwt) so you can buy exactly the weight a job needs.\u003c\/p\u003e\n\u003cp\u003eFour alloys are offered, each formulated for jewelry casting with a different balance of purity, durability, and tarnish resistance. Sterling Silver is .925 silver with .075 copper and delivers traditional casting performance. Fine Silver is .999 pure silver for high-purity work. Argentium® 940 PRO is .935 silver with copper and deoxidizers, designed for modern investment casting with tarnish and firescale resistance. Tarnish-Resistant Sterling holds the .925 composition and adds deoxidizers to reduce tarnishing and firescale.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eFour alloy options to suit a range of casting requirements\u003c\/li\u003e\n\u003cli\u003eSold by the troy ounce (20 dwt) for precise, flexible purchasing\u003c\/li\u003e\n\u003cli\u003eSterling Silver at .925 silver and .075 copper delivers traditional casting performance\u003c\/li\u003e\n\u003cli\u003eFine Silver at .999 offers maximum purity for high-purity applications\u003c\/li\u003e\n\u003cli\u003eArgentium® 940 PRO at .935 is designed specifically for modern investment casting with tarnish and firescale resistance\u003c\/li\u003e\n\u003cli\u003eTarnish-Resistant Sterling provides the .925 composition with added deoxidizers to reduce tarnishing and firescale\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAvailable Options\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePart #\u003c\/th\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003cth\u003eComposition\u003c\/th\u003e\n\u003cth\u003eMelting Point \/ Specific Gravity\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e844-90\u003c\/td\u003e\n\u003ctd\u003eSterling Silver\u003c\/td\u003e\n\u003ctd\u003e.925 silver \/ .075 copper\u003c\/td\u003e\n\u003ctd\u003e1645°F (896°C) \/ 10.36\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e844-92\u003c\/td\u003e\n\u003ctd\u003eTarnish Resistant Sterling Silver\u003c\/td\u003e\n\u003ctd\u003e.925 silver plus copper and deoxidizers\u003c\/td\u003e\n\u003ctd\u003e1645°F (896°C) \/ 10.36\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e844-95\u003c\/td\u003e\n\u003ctd\u003eArgentium Silver\u003c\/td\u003e\n\u003ctd\u003eArgentium® 940 PRO, .935 silver plus copper and deoxidizers\u003c\/td\u003e\n\u003ctd\u003e1670°F (910°C) \/ 10.30\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e844-99\u003c\/td\u003e\n\u003ctd\u003eFine Silver\u003c\/td\u003e\n\u003ctd\u003e.999 pure silver\u003c\/td\u003e\n\u003ctd\u003e1761°F (961°C) \/ 10.49\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003e\u003cem\u003eNo silver alloy is completely non-tarnishing.\u003c\/em\u003e Tarnish-resistant alloys require significantly less cleaning and maintenance than standard sterling, but some degree of tarnishing may still occur over time.\u003c\/p\u003e\n\u003cp\u003eOne cubic inch weighs approximately 5.457 troy ounces in sterling silver and approximately 5.525 troy ounces in fine silver.\u003c\/p\u003e","brand":"Otto Frei","offers":[{"title":"Sterling Silver","offer_id":43586995749078,"sku":"844-90","price":98.75,"currency_code":"USD","in_stock":true},{"title":"Tarnish Resistant Sterling Silver","offer_id":47562358489302,"sku":"844-92","price":99.38,"currency_code":"USD","in_stock":true},{"title":"Argentium Silver","offer_id":47561579364566,"sku":"844-95","price":111.25,"currency_code":"USD","in_stock":true},{"title":"Fine Silver","offer_id":47557498044630,"sku":"844-99","price":101.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/sterling-silver-fine-silver-and-argentium-casting-grain-by-the-ounce-otto-frei-1.jpg?v=1719955739","url":"https:\/\/www.ottofrei.com\/ja\/products\/silver-casting-grain-sterling-fine-argentium-troy-ounce","provider":"Otto Frei","version":"1.0","type":"link"}