Water Glass / Sodium Silicate
Water glass (sodium silicate, Na₂O·nSiO₂) is the bulk silicate raw material for precipitated silica, silica gel, and zeolite synthesis. Direct uses: detergent builder, paper coating, refractory binder, and soil stabilization in construction.
Key Properties at a Glance
| Modulus (SiO₂:Na₂O) | 1.5 – 3.5 (most common 2.4 – 3.3) |
|---|---|
| SiO₂ Content | 20 – 30 wt% |
| Density (Baumé) | 37 – 50 °Bé |
| pH | 11 – 13 (strongly alkaline) |
| Form | Liquid / Solid (lump or powder, M=2.0 – 2.4) |
| Standards | GB/T 4209 / ASTM D2891 |
Range shown is category-wide; refer to individual grade COA for precise specs.
Product pages are being prepared and will be published shortly.