Take the powder of tin, silver and coppersolder as the basis to make solder paste and simulate soldering.
以自制的锡银铜系焊粉为基础制备焊膏并做焊接模拟。
2
Yangzhou Shanhe Welding Materials Co. , Ltd. produce various kinds of coppersolder, mainly copper and zinc have solder series, Cu-P filler metal series;
生产各类铜焊条，主要有铜锌钎料系列、铜磷钎料系列；
3
But, no matter how simplistic this design is, you will still have to soldercopper pipe joints if you want to tap into your existing hot water system.