8 Oz Anhydrous Borax Granular Graphite Crucible Powder

Keeps metals cleaner while refining gold, silver, and copper Use for seasoning your graphite crucibles Made in the USA

100 Lbs 1600 Oz Anhydrous Borax Granular Graphite Crucible Powder Deoxidizing Casting Flux for Melting Assaying Refining Gold Silver Copper Separating

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Net Weight 8 Oz (1/2 Lb) Borax (Sodium Tetraborate Penthydrate) TECHNICAL GRADE - FOR PROFESSIONAL USE ONLY

Borax Flux 1/2 Pound Melting Gold Silver Crucible Glaze Jewelry Casting 8oz

Refining Precious Metal Waste&Small Scale Refining of Jewlwers

Keeps metals cleaner while refining gold, silver, and copper Use for seasoning your graphite crucibles Made in the USA

8 Oz Anhydrous Borax Granular Graphite Crucible Powder Deoxidizing Casting Flux for Melting Assaying Refining Gold Silver Copper Separating Impurities

Gold Smelting/Refining Flux- 50 lb- Chapman Recipe [1720061-50

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GetUSCart- 1 Oz Anhydrous Borax Granular Graphite Crucible Powder

3lb Borax Granular Melting Gold Silver Flux Glaze India

Keeps metals cleaner while refining gold, silver, and copper Use for seasoning your graphite crucibles Made in the USA

8 Oz Anhydrous Borax Granular Graphite Crucible Powder Deoxidizing Casting Flux for Melting Assaying Refining Gold Silver Copper Separating Impurities