HD calcium silicate is a kind of non-combustible a grade material with stable physical and chemical properties. The characteristics are non-toxic, non- asbestos, high temperature and pressured resistance, good performance of fire-proof and insulation and arbitrary processing. It dose not deform in normal temperature or moist air. Free from asbestos, is a kind of green building material. Size:1200x2400mm,600x300mm,600x150mm and so on. Thickness:13-40mm