caustic soda flakes

1.It is the main raw material for the production of soap;2.In the papermaking industry, it can dissolve the impurity of the wood pulp, so that the pure fibre can be available for the papermaking;3.In Textile Industry it can be used in the production of the fabric ;4.In oil refining industry, it also can be used to remove the acids and the oil to improve the smell and color of the oil & petroleum products