Sodium metasilicate, 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, mold making, paper tube and box adhesives, construction, carbon black, subway construction, gold and silver foil lamination, ceramics, alkali for silica sol, and other applications. We also offer a variety of liquid sodium silicate products tailored to customer needs.