In today’s video, we will show you how to solder copper tubes and fittings using Hua Guang’s HGW Tin 97 solder.
Tin 97 is a solid lead free solder of the Tin Mate series. It’s a binary alloy of tin and copper. Tin 97 has excellent fluidity and low melting temperature. This solid core version is most commonly used for torch soldering in the plumbing industry. The solder wire we use here has a diameter of 3.0 mm.