Flux-impregnated copper braid that speedily removes unwanted solder from a joint Faster desoldering Excellent thermal conductivity Place the cold braid end on the solder that is to be removed. Place the hot soldering iron tip on top of the braid. Remove the braid and the hot iron at the same time. Cut off the end that contains the unwanted solder. The temperature of the soldering iron bit must be sufficient to liquify the solder efficiently.