Soda ash, also known as sodium silicate, is an inorganic substance with the chemical formula Na₂SiO₃. Its aqueous solution is called water glass, available in colorless, greenish, or brown solids or viscous liquids. It is widely used in foundry, papermaking, sand casting, re-molding, paper tube and box adhesives, construction, carbon black, subway construction, gold and silver foil lamination, ceramics, and alkali for silica sol, among others. We can also customize various liquid sodium silicate products according to customer requirements.