... : 1.High density,heat-preventing. 2.Firerproof,waterproof. 3.GreenProduct, moisture resistant calcium silicate board is mainly made from silicious material ... : <0.08% (GB/T7019-1997)Radioactivity: In line with the standard, A-class product, no pollution in productionPull-out strength of ... , hotels, hospitals, train station or MRT stations and so on. moisture resistant calcium silicate board