Borax Flux Glaze Crucibles 5 Pound Box Melting Gold & Silver Casting Jewelry 5lb

KEEPS METALS CLEAN DURING Melting – Effectively removes oxidation and impurities when melting gold, silver, and other precious metals, ensuring a clean, high-quality pour..- Net Weight 5 Lb in Box. 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 easily, allowing you to create a smooth paste for precision application.. ESSENTIAL FOR JEWELRY S