Calcium silicate wall panel, green products, envoirment protection, we are the manufacture, welcome you ... : Tobermorite, cement , quartz sand , reinforced fiber.2) Color: white, gray, light yellow.3) Main dimensions : 595*595mm, 1220*2440mm and so ... of screw: >=95.4N/mmFlexural strengh : >=19MpaApplications:Interior and exterior wall partition, suspended ceiling , fireproof board .Also can be used for ...