Borax Flux Powder Watchmakers microscope Measuring range: -50~550°C / -58~

Measuring range: -50~550°C / -58~ 1022°F

Back Light: White Backlight

1 – Single Stone Hexagonal Tray

Overall length: 275mm

With acrylic housing

Borax Flux Powder Watchmakers microscope Measuring range: -50~550°C / -58~A flux commonly used when soldering jewellery. Our special form of borax is produced for use by jewellers, silversmiths, gold investment ingot makers, metal workers, etc. Our borax is easier to dissolve and melt than ordinary borax Add the flux with tap water to form a toothpaste consistency Apply on soldering joins where necessary using fine brushes The flux to use when melting precious metals in an electric furnace or with a Sievert torch system 1kg