{"product_id":"sterling-super-white-master-alloy-925-casting","title":"Sterling-Super White Alloy","description":"\u003cp\u003eSterling-Super White Alloy is a general-purpose master alloy designed for alloying with pure silver to produce .925 sterling silver. Suitable for both casting and fabrication, this alloy delivers a super white color result and is formulated with more zinc and less copper compared to the Classic White alloy (846-588). It contains no silver and is sold per troy ounce (20 pennyweights \/ 31.1 grams).\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSuper white color when alloyed with fine silver to .925 sterling\u003c\/li\u003e\n\u003cli\u003eSuitable for casting and fabrication applications\u003c\/li\u003e\n\u003cli\u003eHeat treatable for added versatility\u003c\/li\u003e\n\u003cli\u003eHigh fluidity for reliable casting performance\u003c\/li\u003e\n\u003cli\u003eGood tarnish resistance\u003c\/li\u003e\n\u003cli\u003eContains no silver — add to pure silver to achieve .925 sterling\u003c\/li\u003e\n\u003cli\u003eHigher zinc and lower copper content compared to Classic White 846-588\u003c\/li\u003e\n\u003cli\u003eMay also contain silicon and deoxidizers; formulation includes proprietary metals not fully disclosed in composition\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\u003eCu 65%, Zn 35% (plus proprietary metals, may include silicon and deoxidizers)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSilver Content\u003c\/th\u003e\n\u003ctd\u003eNone — master alloy only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTarget Alloy\u003c\/th\u003e\n\u003ctd\u003e.925 Sterling Silver\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor Result\u003c\/th\u003e\n\u003ctd\u003eSuper White\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSold By\u003c\/th\u003e\n\u003ctd\u003eTroy ounce (20 pennyweights \/ 31.1 grams)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHeat Treatable\u003c\/th\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTarnish Resistance\u003c\/th\u003e\n\u003ctd\u003eGood\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003eThis alloy contains proprietary metals not fully listed in the composition breakdown. The formulation may also include silicon and deoxidizers. For a classic white result with a different Cu\/Zn ratio, refer to Classic White alloy 846-588.\u003c\/p\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":44245843181782,"sku":"846-597N","price":11.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/sterling-super-white-alloy-otto-frei.jpg?v=1719954189","url":"https:\/\/www.ottofrei.com\/es\/products\/sterling-super-white-master-alloy-925-casting","provider":"Otto Frei","version":"1.0","type":"link"}