| Test item | 4.8 | 4.3 | 5.2 | 5.8 | 6.0 | 6.5 |
| Modulus | 4.80±0.1 | 4.30±0.1 | 5.20±0.1 | 5.80±0.1 | 6.00±0.1 | 6.50±0.1 |
| SiO₂/% | 20.0±1.0 | 20.0±1.0 | 20.0±1.0 | 20.0±1.0 | 20.0±1.0 | 20.0±1.0 |
| Li₂0/% | 2.10±0.1 | 2.30±0.15 | 1.90±0.1 | 1.70±0.1 | 1.65±0.1 | 1.55±0.1 |
| Solid content/% | 22.1±1 | 22.3±1 | 21.9±1 | 21.7±1 | 21.7±1 | 21.6±1 |
| Relative density (20℃) | 1.180±0.01 | 1.180±0.01 | 1.180±0.01 | 1.175±0.01 | ||
| pH | 11.5±0.5 | 11.2±0.5 | 11.0±0.5 | |||
| Viscosity(25℃)/mPa·s | 5-20 | |||||
| Exterior | Colorless, slightly colored transparent or nearly transparent viscous liquid. | |||||
Advantages of lithium silicate
1. Lithium silicate can be prepared into a stable, high modulus, low viscosity solution.
2. Compared with potassium silicate and sodium silicate, dried lithium silicate is more resistant to water.
3. Back to base phenomenon: lithium＜potassium＜sodium
4. Refractory resistance: The melting point of lithium silicate is higher than that of sodium silicate and potassium silicate. Adding lithium silicate can improve the refractory resistance of sodium silicate and potassium silicate materials.
5. Adhesion: Adding lithium silicate to sodium silicate and potassium silicate can improve their adhesion to the surface of certain materials.
Applications of lithium silicate
Concrete sealing and curing agent, water-based galvanized anti-corrosion coating, electroplating sealer, waterproof coating, functional coating, welding rod adhesive, refractory materials, flame retardants, ceramics, glazes.
