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borax flux for gold melting

Flux Components Anhydrous Borax Anhydrous Borax A multipurpose flux that used to draw out impurities keep your material liquefied for easy pouring all while helping to clean your metals 100 Lbs Anhydrous Borax Deoxidizing Casting Coarse Powder Flux for Melting Precious Metals 27500 FREE SHIPPING Add to Cart

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