copper brazing Poland

...SODIUM BORAX TETRABORANATE DECHAHYDRATE 3kg Borax - tetraborate sodium decahydrate is one of the most commonly used boron compounds in the industry. Used for brazing iron, copper, brass, bronze. Increases the solder's ability to spread and penetrate into the smallest crevices of the metal. It is also used as a surface cleaner. Borax is mainly used as: Insecticide and herbicide Laundry detergent (bleaching and softening), Cleaner for various types of surfaces, Sewage pipe cleaner, Deodorant, Soldering and welding agent, Herbicide and insecticide.