Sodium silicate, is a kind of inorganic substance, its aqueous solution is commonly known as water glass, is a kind of mineral adhesive. It is a soluble inorganic silicate with a wide range of uses.Sodium silicate is the most valuable filler in soap making industry. Adding sodium silicate into laundry soap can buffer the alkalinity of laundry soap, reduce the loss of laundry soap in water, and enhance the washing ability and prevent soap rancidity. Sodium silicate plays a role in helping wash, preventing corrosion and stabilizing foam in synthetic detergent. Used as a filler for paper making; Used for manufacturing silicon gel, silica gel; Used in the foundry industry as a binder to bond sand and clay into a wide variety of molds and cores.