{"title":"Industrial + Scientific » Boric Acid","description":"","products":[{"product_id":"jsp-borax-acid-for-gold-refining-8-oz-or-2-lb-jar-flux-for-melting-oxidation-protection","title":"JSP Borax Acid for Gold Refining – 8 oz or 2 lb Jar | Flux for Melting \u0026 Oxidation Protection","description":"\u003ch3 data-start=\"165\" data-end=\"224\"\u003e\u003cstrong data-start=\"169\" data-end=\"224\"\u003eRefine Gold Like a Pro – With Borax (Sodium Borate)\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-start=\"226\" data-end=\"517\"\u003eOur high-purity \u003cstrong data-start=\"242\" data-end=\"267\"\u003eBorax (Sodium Borate)\u003c\/strong\u003e is a proven and effective \u003cstrong data-start=\"294\" data-end=\"311\"\u003efluxing agent\u003c\/strong\u003e for melting and refining gold, silver, and other precious metals. This 8 oz jar is ideal for jewelers, metal casters, prospectors, and small-scale refiners who want a \u003cstrong data-start=\"479\" data-end=\"505\"\u003eclean, high-yield melt\u003c\/strong\u003e every time.\u003c\/p\u003e\n\u003chr data-start=\"519\" data-end=\"522\"\u003e\n\u003cp data-start=\"524\" data-end=\"562\"\u003e🔬 \u003cstrong data-start=\"527\" data-end=\"562\"\u003eWhy Use Borax in Gold Refining?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"564\" data-end=\"741\"\u003e\u003cstrong data-start=\"564\" data-end=\"581\"\u003eFluxing Agent\u003c\/strong\u003e\u003cbr data-start=\"581\" data-end=\"584\"\u003eBorax melts and combines with impurities and metal oxides during the smelting process, forming an easily removable slag that leaves behind clean, pure metal.\u003c\/p\u003e\n\u003cp data-start=\"743\" data-end=\"955\"\u003e\u003cstrong data-start=\"743\" data-end=\"767\"\u003eLowers Melting Point\u003c\/strong\u003e\u003cbr data-start=\"767\" data-end=\"770\"\u003eBorax significantly reduces the melting temperature of gold ore and concentrates, making the refining process more energy-efficient and accessible — even with small furnaces or torches.\u003c\/p\u003e\n\u003cp data-start=\"957\" data-end=\"1078\"\u003e\u003cstrong data-start=\"957\" data-end=\"981\"\u003eOxidation Protection\u003c\/strong\u003e\u003cbr data-start=\"981\" data-end=\"984\"\u003eForms a protective layer over molten metal to prevent oxidation and metal loss during heating.\u003c\/p\u003e\n\u003cp data-start=\"1080\" data-end=\"1289\"\u003e\u003cstrong data-start=\"1080\" data-end=\"1113\"\u003eEssential in the Borax Method\u003c\/strong\u003e\u003cbr data-start=\"1113\" data-end=\"1116\"\u003eUsed in mercury-free gold refining, especially in artisanal and small-scale mining (ASM). It’s a safer alternative to toxic chemicals while still producing high-purity gold.\u003c\/p\u003e\n\u003chr data-start=\"1291\" data-end=\"1294\"\u003e\n\u003ch3 data-start=\"1296\" data-end=\"1316\"\u003e📦 \u003cstrong data-start=\"1303\" data-end=\"1316\"\u003eIncludes:\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cul data-start=\"1317\" data-end=\"1432\"\u003e\n\u003cli data-start=\"1317\" data-end=\"1360\"\u003e\n\u003cp data-start=\"1319\" data-end=\"1360\"\u003e(1) 8 oz Resealable Jar of Borax Powder\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1361\" data-end=\"1402\"\u003e\n\u003cp data-start=\"1363\" data-end=\"1402\"\u003e99.9% Pure Technical\/Industrial Grade\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1403\" data-end=\"1432\"\u003e\n\u003cp data-start=\"1405\" data-end=\"1432\"\u003eFine, easy-to-melt granules\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-start=\"1434\" data-end=\"1437\"\u003e\n\u003cp data-start=\"1439\" data-end=\"1582\"\u003e⚠️ Always use in a well-ventilated area with appropriate protective equipment. Not for food, drug, or cosmetic use. Store in a cool, dry place.\u003c\/p\u003e","brand":"GOLD TESTING EQUIPMENT","offers":[{"title":"8 oz","offer_id":44863184404524,"sku":"borax acid 8 oz jar","price":13.89,"currency_code":"USD","in_stock":true},{"title":"1 lb","offer_id":44863184437292,"sku":"borax-2lb","price":17.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0618\/6260\/8940\/files\/8_b5aae2a2-59dc-4e4f-9c11-73b6d7524e60.png?v=1760630594"}],"url":"https:\/\/littleredgeneralstore.com\/collections\/industrial-scientific-boric-acid.oembed","provider":"Little Red General Store","version":"1.0","type":"link"}