50/50 solder is used with Soldering irons to connect two pcs of metal like Copper, Galv , PG . (Basic form of welding) In the HVAC trade its used mostly for soldering the corners of Drain Pans. Roofers use it to solder flashing gutter outlets ,and elbows that go on the roof made from Copper Galv.
Item Code: SOL50M 50/50 Meter Bar Solder (1/4#/bar)