1 Oz Boric Acid Deoxidizing Casting Powder Flux for Melting Precious Metals

1 Oz Boric Acid Deoxidizing Casting Powder Flux for Melting Precious Metals is a high-grade, super-fine flux that keeps your metals cleaner during melts and pours. Designed for consistent melts, it minimizes dross and improves metal recovery for reliable results in every pour.

This boric acid deoxidizing flux is ideal for melting, casting, and refining metals such as gold, silver, copper, iron, sterling silver, tin, nickel, and their alloys. It acts as an antioxidant in soldering and helps protect surfaces from oxidation, delivering cleaner pours, smoother finishes, and improved surface integrity. Proudly made in the U.S.A., it supports domestic craftsmanship and consistent batch performance.

• Effective deoxidizing action reduces oxide formation during melting
• Antioxidant properties support clean pours and superior surface finishes
• Compatible with a wide range of metals and alloys, including precious metals
• Easy to measure, mix, and apply in foundries, studios, and workshops
• Made in the USA with quality control you can trust

Whether you’re refining gold, silver, or base metals, this flux helps keep your crucible and melts cleaner. Enhance your metalworking results—add to your cart today for a smoother, more reliable melt.