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, pattern duplication, paper tube and box adhesive, construction, activated carbon, subway construction, gold and silver foil lamination, ceramics, and alkaline silica sols. We can also customize various liquid sodium silicate products according to customer requirements.