{"product_id":"gte-borax-acid-for-gold-refining-8-oz-or-2-lb-bag-flux-for-melting-oxidation-protection","title":"GTE Borax Acid for Gold Refining – 8 oz or 2 lb Bag| Flux for Melting \u0026 Oxidation Protection","description":"\u003ch3 data-end=\"224\" data-start=\"165\"\u003e\u003cstrong data-end=\"224\" data-start=\"169\"\u003eRefine Gold Like a Pro – With Borax (Sodium Borate)\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp data-end=\"517\" data-start=\"226\"\u003eOur high-purity \u003cstrong data-end=\"267\" data-start=\"242\"\u003eBorax (Sodium Borate)\u003c\/strong\u003e is a proven and effective \u003cstrong data-end=\"311\" data-start=\"294\"\u003efluxing agent\u003c\/strong\u003e for melting and refining gold, silver, and other precious metals. This is ideal for jewelers, metal casters, prospectors, and small-scale refiners who want a \u003cstrong data-end=\"505\" data-start=\"479\"\u003eclean, high-yield melt\u003c\/strong\u003e every time.\u003c\/p\u003e\n\u003chr data-end=\"522\" data-start=\"519\"\u003e\n\u003cp data-end=\"562\" data-start=\"524\"\u003e🔬 \u003cstrong data-end=\"562\" data-start=\"527\"\u003eWhy Use Borax in Gold Refining?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"741\" data-start=\"564\"\u003e\u003cstrong data-end=\"581\" data-start=\"564\"\u003eFluxing Agent\u003c\/strong\u003e\u003cbr data-end=\"584\" data-start=\"581\"\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-end=\"955\" data-start=\"743\"\u003e\u003cstrong data-end=\"767\" data-start=\"743\"\u003eLowers Melting Point\u003c\/strong\u003e\u003cbr data-end=\"770\" data-start=\"767\"\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-end=\"1078\" data-start=\"957\"\u003e\u003cstrong data-end=\"981\" data-start=\"957\"\u003eOxidation Protection\u003c\/strong\u003e\u003cbr data-end=\"984\" data-start=\"981\"\u003eForms a protective layer over molten metal to prevent oxidation and metal loss during heating.\u003c\/p\u003e\n\u003cp data-end=\"1289\" data-start=\"1080\"\u003e\u003cstrong data-end=\"1113\" data-start=\"1080\"\u003eEssential in the Borax Method\u003c\/strong\u003e\u003cbr data-end=\"1116\" data-start=\"1113\"\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-end=\"1294\" data-start=\"1291\"\u003e\n\u003ch3 data-end=\"1316\" data-start=\"1296\"\u003e📦 \u003cstrong data-end=\"1316\" data-start=\"1303\"\u003eIncludes (use the drop down box to choose):\u003c\/strong\u003e\n\u003c\/h3\u003e\n\u003cp data-end=\"1360\" data-start=\"1319\"\u003e(1) 8 oz Resealable Bag of Borax Powder or (1) 1 lb Resealable Bag of Borax Powder \u003c\/p\u003e\n\u003cp data-end=\"1402\" data-start=\"1363\"\u003e99.9% Pure Technical\/Industrial Grade\u003c\/p\u003e\n\u003cp data-end=\"1432\" data-start=\"1405\"\u003eFine, easy-to-melt granules\u003c\/p\u003e\n\u003chr data-end=\"1437\" data-start=\"1434\"\u003e\n\u003cp data-end=\"1582\" data-start=\"1439\"\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\n\u003ch2 data-end=\"812\" data-start=\"773\"\u003eHow to Use GTE Jeweler’s Grade Borax\u003c\/h2\u003e\n\u003ch3 data-end=\"842\" data-start=\"814\"\u003eFor Soldering \u0026amp; Flux Use\u003c\/h3\u003e\n\u003cp data-end=\"920\" data-start=\"846\"\u003eMix a small amount of borax with water to create a thin paste or slurry.\u003c\/p\u003e\n\u003cp data-end=\"993\" data-start=\"924\"\u003eApply directly to the solder joint or metal surface before heating.\u003c\/p\u003e\n\u003cp data-end=\"1137\" data-start=\"997\"\u003eHeat as normal. The borax will melt and form a protective barrier, reducing oxidation and firescale while allowing solder to flow cleanly.\u003c\/p\u003e\n\u003cp data-end=\"1172\" data-start=\"1141\"\u003eRinse thoroughly after cooling.\u003c\/p\u003e\n\u003chr data-end=\"1177\" data-start=\"1174\"\u003e\n\u003ch3 data-end=\"1224\" data-start=\"1179\"\u003eFor Seasoning \u0026amp; Glazing Ceramic Crucibles\u003c\/h3\u003e\n\u003cp data-end=\"1297\" data-start=\"1225\"\u003eProper seasoning extends crucible life and prevents metal from sticking.\u003c\/p\u003e\n\u003cp data-end=\"1356\" data-start=\"1302\"\u003ePlace a small amount of dry borax into the crucible.\u003c\/p\u003e\n\u003cp data-end=\"1426\" data-start=\"1360\"\u003eHeat gently with a torch until the borax melts and turns glassy.\u003c\/p\u003e\n\u003cp data-end=\"1542\" data-start=\"1430\"\u003eTilt and rotate the crucible so the molten borax coats the entire interior surface, including the pouring lip.\u003c\/p\u003e\n\u003cp data-end=\"1582\" data-start=\"1546\"\u003eAllow to cool completely before use.\u003c\/p\u003e\n\u003cp data-end=\"1689\" data-start=\"1584\"\u003eThis creates a sealed, glass-like layer that protects the ceramic and improves metal flow during melting.\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003cstrong\u003e\u003cem\u003eNew to gold refining?\u003c\/em\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003cem\u003eVisit our Gold Refining Learning Center for beginner-friendly guides that explain the basics of gold recovery, refining concepts, common materials found in electronics, and how precious metals are identified and evaluated.\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"isSelectedEnd\"\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003cem\u003eThese guides are designed to help you better understand refining processes and the tools commonly used in precious metal work.\u003c\/em\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003cstrong\u003e\u003cem\u003eExplore the Learning Center \u003ca href=\"https:\/\/www.goldandsilvertesting.com\/pages\/gold-refining-learning-center\" title=\"Gold Refining Learning Center\" style=\"color: rgb(43, 0, 255);\"\u003eHERE\u003c\/a\u003e\u003c\/em\u003e\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e","brand":"GOLD TESTING EQUIPMENT","offers":[{"title":"8 oz","offer_id":45591457923116,"sku":"GTE 8 OZ BORAX BAG- MUST BAG","price":13.89,"currency_code":"USD","in_stock":true},{"title":"1 lb","offer_id":45591457955884,"sku":"GTE 1 LB BORAX BAG- MUST STICKER","price":17.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0728\/0954\/5772\/files\/6e40ee5e-644d-4820-901f-36345665d9cb.jpg?v=1780422809","url":"https:\/\/smartsupplydeals.com\/products\/gte-borax-acid-for-gold-refining-8-oz-or-2-lb-bag-flux-for-melting-oxidation-protection","provider":"Smart supply deals","version":"1.0","type":"link"}