... white particles, excellent in quality and favorable in price Nature. SODIUM SILICATE SOLID, also named WATER GLASSPurpose :1.Detergent raw material ... also widely used in building industry, agriculture, oil exploitation etc.Sodium Silicate 99% (High Mol)Na2O% 24%minSiO2% 75%minFe 0 ... 0.002%maxMol rate: 2.0-2.2 The best sodium metasilicate pentahydrate