... quality and competitive price. Sodium silicate is mainly used silicates products such as silicate gel, precipitated silica, sodium metasilicate,silica sol, powdery sodium silicate, in light industry ... in water: 0.1% maxModulus (SiO2/Na2O) : 1.9-2.1, 2.2-2.5,3.3-3.5 etc. Sodium Silicate Powder ...