1 lb Jeweler’s Grade Borax – Flux for Soldering, Casting & Crucible Seasoning. Jeweler’s Grade Borax 1 lb Flux for Soldering Casting Crucible Seasoning. • Crucible seasoning and glazing. • Flux for soldering gold, silver, copper, brass, and alloys.
Borax Flux 2 Pounds Melting Gold Silver Crucible Glaze Jewelry Refining Casting
2 lb Jeweler’s Grade Borax – Flux for Soldering, Casting & Crucible Seasoning. Jeweler’s Grade Borax 2 lb Flux for Soldering Casting Crucible Seasoning. • Crucible seasoning and glazing. • Flux for soldering gold, silver, copper, brass, and alloys.
Zinc Powder Gold Silver Recovery Refining Metal Precipitant Zinc Dust Zn Casting
• Product: Zinc Powder (Zn). • One 8 oz resealable bag of Zinc Powder (Zn). • High-purity refining grade material. HOW ZINC IS USED IN REFINING. • For professional, laboratory, refining, or industrial use only.