{"product_id":"re-cast-it-gold-casting-additive-2oz","title":"2 Ounce Pack-Re-Cast-It Gold Alloy Refresher-Replenisher","description":"\u003cp\u003e\u003cstrong\u003eRe-Cast-It\u003c\/strong\u003e is an alloy additive designed for recasting old or scrap yellow gold. It does not contain gold and is not a substitute for gold, but when mixed with scrap yellow gold and some fresh fine gold, it helps restore castings to a bright, clean finish. Each pack contains \u003cstrong\u003e2 troy ounces (40 DWT)\u003c\/strong\u003e of Re-Cast-It alloy refresher and replenisher.\u003c\/p\u003e\n\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eCleans old gold castings, restoring a bright yellow \"new gold\" appearance\u003c\/li\u003e\n\u003cli\u003eHelps eliminate porosity in castings\u003c\/li\u003e\n\u003cli\u003eImproves metal fluidity during casting\u003c\/li\u003e\n\u003cli\u003eReduces reddish surface discoloration common in recast gold\u003c\/li\u003e\n\u003cli\u003eDe-oxidizes used gold during the casting process\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003ePack Quantity\u003c\/th\u003e\n\u003ctd\u003e2 troy ounces (40 DWT)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGold Content\u003c\/th\u003e\n\u003ctd\u003eContains no gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eIntended Use\u003c\/th\u003e\n\u003ctd\u003eAlloy additive for recasting scrap yellow gold\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eMixing Ratios\u003c\/h3\u003e\n\u003cp\u003eThe following ratios apply per 100 DWT of scrap gold:\u003c\/p\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eScrap Karat\u003c\/th\u003e\n\u003cth\u003eRe-Cast-It\u003c\/th\u003e\n\u003cth\u003eFine Gold to Add\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e10K\u003c\/td\u003e\n\u003ctd\u003e5 DWT\u003c\/td\u003e\n\u003ctd\u003e3.57 DWT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e14K\u003c\/td\u003e\n\u003ctd\u003e2 DWT\u003c\/td\u003e\n\u003ctd\u003e2.82 DWT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e18K\u003c\/td\u003e\n\u003ctd\u003e1 DWT\u003c\/td\u003e\n\u003ctd\u003e3.00 DWT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003cp\u003eFor \u003cstrong\u003ewhite gold\u003c\/strong\u003e, these ratios may be used, but effectiveness is limited to 1–2 cycles due to yellowing. When continuously reusing scrap combined with fresh metal, use half the above amounts to avoid excessive deoxidizer buildup.\u003c\/p\u003e\n\n\u003ch3\u003eMelting Instructions\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003ePlace Re-Cast-It at the bottom of the crucible, then place scrap on top.\u003c\/li\u003e\n\u003cli\u003eOnce molten, stir with a \u003cstrong\u003ecarbon rod\u003c\/strong\u003e for gas-fired or torch melts, or a \u003cstrong\u003equartz rod\u003c\/strong\u003e for electric induction melts.\u003c\/li\u003e\n\u003cli\u003eFluxing with boric acid may be required depending on the condition of the scrap.\u003c\/li\u003e\n\u003cli\u003eBest results are achieved when scrap is free of oxides and investment powder residue.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003eNotes\u003c\/h3\u003e\n\u003cp\u003e\u003cem\u003eIf gold is contaminated with cuprous oxide (red oxide), only limited positive results can be expected. Re-Cast-It is not a substitute for gold and will not alter the karat of the alloy on its own.\u003c\/em\u003e\u003c\/p\u003e","brand":"Otto Frei","offers":[{"title":"Default Title","offer_id":43581682254038,"sku":"122.607","price":26.75,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0609\/9832\/0342\/files\/2-ounce-pack-re-cast-it-gold-alloy-refresher-replenisher-otto-frei.jpg?v=1719957457","url":"https:\/\/www.ottofrei.com\/products\/re-cast-it-gold-casting-additive-2oz","provider":"Otto Frei","version":"1.0","type":"link"}