Calcium silicate board : 1.High density,heat-preventing. 2.Firerproof,waterproof. 3.GreenProduct,Long service life. Calcium silicate ceiling board is mainly made from silicious material, lime fractory and reforcing fiber through theprocess of slurrying,forming,high pressure steam curing, drying, surfacing and so on.It has the following features.splendid feasures:1) Incombustibility: It can not ...