Calcium Silicate Pipe Cover 650 is produced by tobermorite and reinforced with paper fibre without asbestos. it has the temperature limit 650 oC. Calcium Silicate Pipe Cover 650 has characteristics such as low thermal conductivity, high rigidity and convenient construction, can be widely used for insulation in industrial furnaces and thermal pipelines.
Technical Specification
| SiO2 | 37 - 42% | Fe2O3 | 3 - 4% |
| CaO | 29 - 34% | Na2O-K2O | 0.09 - 0.12% |
| Al2O3 | 10 - 12% | Ignition loss (mainly H2O) | 12 - 17% |
| MgO | 1.8 - 2.2% | Color | White |
Standard Reference: ASTM C533-07
| Physical index | Density 230 | Density 250 | |
| Bulk density (Tolerance) | kg/m3 | 230（±10%） | 250（±10%） |
| Pressure Strength | MPa | ≥0.50 | ≥0.60 |
| Flexural Strength | MPa | ≥0.30 | ≥0.45 |
| Thermal conductivity | w/m.k | 0.060 | 0.062 |
| Temperature limit | ℃ | 650 | 650 |
| Linear Shrinkage | % | ≤2 | ≤2 |
For further information, you can contact our Sales Engineer, or you can contact us directly or here.