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 |
Monocrystal (Single) Fused Alumina Product
Monocrystal (Single) Fused Alumina Product is produced from high purity Bayer Alumina.