1.It is mainly used for inlaying steel of mechanical blade and planer to enhance welding strength.
2.It is used as wood preservative, welding flux and fluorine treatment agent for drinking water.
3.It is used in the production of other fluorides, casein gum, sodium fluoride toothpaste, adhesives, papermaking and metallurgy industries.
4.In coating industry, it is used as phosphating accelerator to stabilize phosphating solution, refine phosphating and improve the performance of phosphating film.