... adhesive for paper industry, casting, buiding materials, welding rods. Sodium Silicate is mainly used in the industries of paper, soap, ... silicon rubber, silicon aluminum rubber, moisture absorbent, catalyst and its carrier, desalt agent of brine, hydrated silica and absorbent. specification:Sodium Silicate ... 75%minFe 0.002%maxMol rate: 3.1-3.3 Sodium Silicate 99%(Low Mol)Na2O% 32%min SiO2% 67%min ...