How To Solder Copper Wire Without Flux

Without flux applied the flame will not be able to attract the solder to get sucked into the fitting to make the seal.

How to solder copper wire without flux. As solder wick can be bought with or without flux make sure to match flux type to your cleaning process. You may even find that the solder does not stick to the pipe at all. You do not need massive amounts to be effective.

Flux prevents the copper from oxidizing as you heat the copper with the torch. In a pinch you can use a solution of white vinegar and salt. How to solder copper wire without flux.

This can work as a flux of sorts and will allow soldering of copper or aluminum parts that you. Allow the solder to cool and harden. Coat your wires with soldering flux.

To do so you will need something other than flux to break down the oxides on the metal surface without which your surface may be damaged or not properly cleaned. Flux gives a fastest action and helps the surfaces to be heated and solder to flow. Place the tip of the solder at the point where the solder iron tip and part you are soldering meet.

Flux is not necessary but its very difficult without it. Touch the Solder to the Pipe. Flux can melt off faster than the solder has time to flow though so choose your torch tip carefully because heat will be your number one friend when soldering metals.

Flux is applied to both the pipe and the fitting with a handy miniature paint brush. The robots place the components on the board with a pick and place system. Ream the inside of each fitting with a wire brush.