1.Good quality and price competitive 2.Good colour 3.Durable (more than 30 years) 3.Impact resistant 4.Low maintenanc 1) 100%non asbestos 2) Fireproof 3) Waterproof;soundproof 4) Insect-proof 5)100% original DescriptionCalcium Silicate BoardNon-asbestos Calcium Silicate Board----Raw materials are Portland cement, high-purity quartz powder, minerals (mica and perlite etc), and a variety of ...