This deoxidizing flux keeps metal clean during melting (Gold, silver, etc.) and pouring.
Borax 1/2 Pound Container Melting Flux 8 Oz. to Glaze Crucible Dishes for Gold Silver Jewelry by JTS - JETS INC. - Jewelers Equipment Tools and Supplies
Borax Flux
Controls oxidation during the melting process by forming a glass that both covers the metal and causes metal oxides to stick to it.
Borax Flux
Borax based Deoxidizing Casting Powder Flux (250g) – Black Dragon Forge
Borax Flux Glaze Crucibles 5 Pound Box Melting Gold & Silver Casting Jewelry 5lb : Arts, Crafts & Sewing
25186 - Borax Powder Industrial Minerals Co.
Borax powder Laval Europe
Borax Powder- 250g
Borax Flux Powder - 500g Australian Jewellers Supplies
30g/bag borax powder anhydrous metal casting
Borax granulated supplies, Boric acid powder