Sodium silicate, also known as sodium metasilicate, 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 adhesive, construction, carbon black, subway construction, gold and silver foil lamination, ceramics, alkali for sol-gel, and other applications. We also offer a variety of liquid sodium silicate products tailored to customer needs.