Laurel’s refractory calcium silicate board is engineered to deliver high mechanical strength and thermal efficiency in harsh industrial environments. As one of the leading calcium silicate board manufacturers, Laurel provides insulation solutions designed to perform under continuous exposure to temperatures up to 1100°C. This non-asbestos, fire-safe board is made from high-purity siliceous and calcareous materials, reinforced with fibers for durability and dimensional stability.
Product Details
Applications
1.Thermal insulation in power generation and petrochemical sectors
2.Kiln linings in cement, ceramic, and steel industries
3.Fire-resistant wall panels and partition systems
4.Insulation for flues, ducts, tanks, and high-temp chambers
5.Whether you're sourcing from reputable calcium silicate board manufacturers or comparing calcium silicate board price, Laurel offers a reliable and performance-driven solution. Our refractory calcium silicate board combines fire resistance, energy efficiency, and structural strength—making it the top choice for professionals demanding long-term performance in extreme conditions.
Table parameters
| Item | Calcium silicate board | |||
| Chemical Composition | % | SiO2≥55; CaO≥36; Al2O3≤0.5; Fe2O3≤1.0 | ||
| Bulk Density | Kg/m3 | 250(±10%) | 270(±10%) | 300(±10%) |
| Flexural Strength | Mpa | ≥0.55 | ≥1.0 | ≥1.2 |
| Max service temperature | ºC | 1100 | 1100 | 1100 |
| Compressive Strength | Mpa | ≥1.0 | ≥1.5 | ≥2.0 |
| Thermal Conductivity (W/m.k) | 200ºC | 0.08 | 0.078 | 0.087 |
| 400ºC | 0.106 | 0.099 | 0.114 | |
| 600ºC | 0.132 | 0.128 | 0.139 | |
| 800ºC | 0.165 | 0.156 | 0.168 | |
| Linear Shrinkage | % | ≤2(1000ºC,16 hrs) | ||
Features
Features
★Exceptional Thermal Resistance
Ideal for high-temperature zones, the refractory calcium silicate board retains integrity without degradation, operating reliably up to 1100°C.
★Lightweight with High Strength
Despite its low bulk density, this board maintains superior compressive strength and impact resistance, allowing for easy handling without compromising performance.
★Stable Under Thermal and Mechanical Stress
Designed to resist cracking, warping, and shrinkage, this board performs consistently under thermal cycling and mechanical loads.
★Moisture Resistant and Non-Corrosive
The board features low water absorption and is chemically inert, making it suitable for both humid and dry conditions. It does not corrode adjacent metals or emit harmful substances.
★Easy to Cut and Shape
With excellent machinability, this refractory calcium silicate board can be cut and customized for fireproof linings, curved surfaces, or irregular structures.
Applications
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