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🔥 Cast like a pro, shine like a legend.
Rosenthal Collection Borax Flux 5 MOL is a professional-grade, ½ lb casting flux powder designed specifically for jewelry soldering and melting precious metals like gold, silver, and sterling. It reduces oxidation and bubbling during heating, ensuring smooth metal flow and clean finishes. Packaged in a resealable bag for freshness, this trusted formula has been a staple for master jewelers since 1926, delivering reliable, high-quality results for both studio and high-volume use.













| ASIN | B09TWSSR4M |
| Batteries Included? | No |
| Batteries Required? | No |
| Best Sellers Rank | #18,146 in Arts, Crafts & Sewing ( See Top 100 in Arts, Crafts & Sewing ) #11 in Jewelry Casting Tools |
| Customer Reviews | 4.5 4.5 out of 5 stars (488) |
| Date First Available | May 13, 2014 |
| Item Package Quantity | 1 |
| Item Weight | 7.8 ounces |
| Item model number | 1 |
| Manufacturer | RJS |
| Material | Other |
| Package Dimensions | 5.39 x 3.78 x 1.06 inches |
| Part Number | 1 |
| Size | 1/2 LB |
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