Soldering paste for cables and large size terminals

Felder brand, original from Germany

Lead-Free Solder grease paste flux is a smooth, non-runny paste that applies easily and spreads evenly.

Paste flux cleans and fluxes copper piping to provide uniform solder flow.

The self-cleaning formula is good for soft solder applications of copper tube and fittings in plumbing, HVAC, fire sprinkler and other systems.

According to DIN EN 29454.1, 3.1.1.C (F-SW 21)

Effective on copper and copper base alloys

Will not turn copper piping green

Good for large diameter copper piping