Sodium metasilicate, the product of our company, is a non-toxic, tasteless, pollution-free white crystalline granular, easy soluble in water, insoluble in alcohol or in acid. The solution is alkaline, which presents detergency, emulsibility, dispersity, wettability, permeability and the buffer ability to the PH value, belonging to inorganic salts product, very hygroscopic and deliquescet when exposed to the air.