3 lb Borax Flux Glaze Crucibles Melting Gold Silver Melting Soldering, Casting Jewelry Porfessional USE

VERSATILE APPLICATIONS – Suitable for jewelry making, metal casting, assaying, and other precision metalwork processes.. KEEPS METALS CLEAN DURING MELTING – Effectively removes oxidation and impurities when melting gold, silver, and other precious metals, ensuring a clean, high-quality pour.. IDEAL FOR ASSAYING PREPARATIONS – Perfect for use in refining processes and assaying applications, delivering reliable and consistent results.. EASY-TO-MIX PASTE FORMULA – Specially formulated to dissolve e