
High Density Calcium Silicate Board 850kg/m³ (N-14 Grade) is a high-performance thermal insulation material designed for industrial high-temperature applications up to 1000°C.
Manufactured from high-purity xonotlite, it offers excellent mechanical strength, low thermal conductivity, and minimal shrinkage under heat exposure. This product is widely used in steel, petrochemical, and furnace lining systems where durability and insulation efficiency are critical.
It is non-asbestos, environmentally friendly, and easy to cut and install, making it ideal for demanding insulation environments.
Specifications
Max Service Temperature: 1000°C
Bulk Density: 850 kg/m³
Flexural Strength: 6.1 MPa
Compressive Strength: 14 MPa
Thermal Conductivity @400°C: 0.11 W/m·K
Thermal Conductivity @800°C: 0.16 W/m·K
Linear Shrinkage @850°C × 3h: ≤ 0.3%
Application Grade: N-14