Torch For Soldering Copper Pipe [Best Soldering Guideline]
Flux is basically acid, and if kept on the pipe for longer than 24 hours, it’ll render the solder useless, causing the pipe to come off. This is why wiping is necessary after soldering the pipe. Final Words. As we are close to the end, you may decide whether or not you want to use MAPP gas to sell your copper pipe.