Räbusti for SILVER solder 500-800°C ( 1 kg EN1045: FH10) “CuFe Nr. 1“

Hard Soldering Flux for silver solders. "CuFe Nr.1 " is a hard solder flux based on boron compounds with fluorides and boron for hard soldering of all metals and alloys, exept light metals

Hard soldering flux with a activity range of 500 – 800 °C