Flux 1000g CuFe Nr1 500-800C ( DIN EN 1045 FH10)

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