... give you both strength and flexibility to build high quality, beautiful, and well designed home.It ... ,Won't Warp , Strong and Durable, Non-pollution, Low Density ,Light weight and easy to install. Usage: ... ,15,18,20,25 or customizedCore:Portland cements,Cellulose fiberMoisture content≤10%Grade:A+FeatureFireproof, Heat Insulation ... -Y-P-E: Ikazi6161 Hot Item 100% Non-asbestos Calcium Silicate Board