Superior No. 601 is our most popular general-purpose white silver brazing paste flux. Superior No. 6 contains no Potassium Bifluoride and is favored by jewelers and applications looking for a safer flux. Superior No. 650 is a Fluoride-Free silver brazing flux.
Superior No. 601 can be purchased through McMaster-Carr (www.mcmaster.com). See below for McMaster-Carr part numbers. We also welcome direct sales.
| Packaging Size | Description | McMaster-Carr Part No. |
| ½-lb. | White Flux | 7693A1 |
| 1-lb. | White Flux | 7693A2 |
Superior No. 601 is the general-purpose silver brazing flux – an excellent paste flux for ferrous and non-ferrous alloys, stainless steels and copper. It is ideal for use in a wide variety of silver brazing applications: appliances, automotive, dental tools, orthodontia, farm machinery, heat exchanges, heat equipment, maintenance, mining tools, musical instruments, plumbing fixtures, refrigeration and air conditioning, ship repair, steel furniture and welding equipment.
Superior No. 6 silver brazing flux that contains no Potassium Bifluoride, making it ideal for jewelry applications.
Superior No. 650 is a revolutionary fluoride-free silver brazing flux formulated for silver brazing of copper, brass and mild steel.
All Superior white brazing fluxes are water-soluble and ship as non-hazardous products.