Boron 11% agriculture use granular of borax decahydrate , find complete details about boron 11% agriculture use granular of borax decahydrate,borax decahydrate granular,agriculture use borax decahydrate,boron 11 from borate supplier or manufacturer-zouping runzi chemical industry co., ltd. Borax is also used mixed with water as a flux when soldering jewelry metals such as gold or silver. it allows the molten solder to flow evenly over the joint in question. borax is also a good flux for 'pre-tinning' tungsten with zincmaking the tungsten soft-solderable. Borax decahydrate , find complete details about borax decahydrate,borax decahydrate,agriculture use borax decahydrate,borax decahydrate granular from borate supplier or manufacturer-zouping changshan town zefeng fertilizer factory Borax -powder & granular -sgs report available -large stock, lightning delivery -dedicated supplier since 1986 . borax, also known as sodium borate, sodium tetraborate, or disodium tetraborate, is an important boron compound, a mineral, and a salt of boric acid.it is usually a white powder consisting of soft colorless crystals that dissolve easily in water.