we use a solder paste consisting of flux and solder. The paste can be packaged in a variety of ways but I buy my paste in syringes and I keep them in a small refrigerator and only for a limited ...
High Purity Rosin Soldering Flux, Good Helper For Repairing And Soldering Lead-Free, Halogen Free, Non-Corrosive, Good Flow Ability Stable Performance And Low Volatility, No Shelf Life ...
he’s wrapped thin copper wire around the joint then loaded it with flux, and covered it in solder — a clever way to block a hole! Then by sending compressed air through the syringe ...