High Density Calcium Silicate Board 980kg/m³ is a premium-grade insulation material specially designed for applications requiring excellent thermal shock resistance and high mechanical strength.
With a dense microstructure based on high-purity xonotlite, this board delivers superior durability under rapid temperature changes. It maintains structural stability, low shrinkage, and consistent insulation performance up to 1000°C.
It is widely used in induction furnaces, metallurgical equipment, and other high-temperature environments where resistance to thermal cycling is critical. The product is non-asbestos, safe, and easy to machine.
Specifications
Max Service Temperature: 1000°C
Bulk Density: 980 kg/m³
Flexural Strength: 7.0 MPa
Compressive Strength: 15 MPa
Thermal Conductivity @400°C: 0.14 W/m·K
Thermal Conductivity @800°C: 0.22 W/m·K
Linear Shrinkage @850°C × 3h: ≤ 0.2%
Application: Thermal Shock Resistant