Suited for varying welding applications depending on your choice, Sif welding flux is ideal for preventing oxidation when welding as well as for cleaning materials as you weld. Sif's Aluminium Flux is designed for gas welding of aluminium and aluminium alloys, the Bronze Flux is suited for general purpose brazing flux for silicon bronze rods and Sifs Silver Solder Flux is for silver brazing operation. 600C to 800C.Features and Benefits Available in a variety of specifications to suit your requirements Supplied in a resealable tub to allow you to keep the product protected when not in useTypical Applications Brazing Gas Welding