... waterproof. 3.Green Products,low cots Calcium silicate ceiling tile is mainly made from silicious material, lime fractory ... rate: <0.08% (GB/T7019-1997)Radioactivity: In line with the standard, A-class product, no pollution in ... : ≥13MpaApplications:Interior and Exterior wall partition, suspended ceiling,fireproof board.Also can be used for: Commercial ... stations and so on. calcium silicate ceiling tile