硅酸钠（水玻璃）
【中文】采用精制石英砂与优级纯碱经高温熔融后冷却而成。外观为淡蓝色、干法浇铸成型的块状透明玻璃状固体，或水淬而成的颗粒状固体。固体硅酸钠是为具备硅酸钠溶化设备的企业而生产的一种硅酸钠半成品，须溶化成液体硅酸钠后方可使用。执行GB/T 4209—2008标准，模数3.1-3.4，可溶固体含量≥99.0%（优等品）、铁含量≤0.02%。
【English】Produced by melting refined quartz sand and premium-grade soda ash at high temperature and then cooling. It appears as a light blue, transparent glassy solid in blocks formed by dry casting, or as a granular solid formed by water quenching. Solid sodium silicate is a semi-finished product intended for enterprises equipped with sodium silicate dissolving facilities, and must be dissolved into liquid sodium silicate before use. It complies with GB/T 4209-2008, with a modulus of 3.1-3.4, soluble solid content of no less than 99.0% (premium grade) and iron content of no more than 0.02%.
