Description
Borax bar can produce flux paste to protect sensitive areas during soldering.
To produce a slurry, add a few drops of water into a Borax Dish, then carefully and vigorously rub the borax bar against the bottom, until a mushy slurry is produced.
the flux slurry that can be used to protect the sensitive areas of the workpiece from the heat during soldering.
5 pcs bar/box
