FM 343 flux is a brazing flux for copper, copper alloys, brass and gunmetal in drinking water installations. It protects against oxidation and ensures safe, clean soldered joints. Application by brushing or dipping. Residues are corrosive and must be removed. Practical bottle with brush, contents 25 g. https://elecena.pl/product/21707657/52343-flux-powder-for-silver-solder-fm-343-25-g 2022-09-27 https://elecena.pl/product/21707657/52343-flux-powder-for-silver-solder-fm-343-25-g 2023-01-02 https://elecena.pl/product/21707657/52343-flux-powder-for-silver-solder-fm-343-25-g 2023-02-03 https://elecena.pl/product/21707657/52343-flux-powder-for-silver-solder-fm-343-25-g 2023-08-22 https://elecena.pl/product/21707657/52343-flux-powder-for-silver-solder-fm-343-25-g 2026-01-05