... calcium, silicate, paper pulp, low-alkali cement. Incombustibility Grade A Waterproof & Moisture-proofing :Humidity resistance with tobermorite crystal formed during production ... Light weight with high strength, easy for sawing, shaving and drilling, mildewproof, mothproof, anti-aging. ( function(){ var ... (); oProductShow.init( { 'aImgSrc': aBigImageSrc } ); } )(); calcium silicate/fiber cement board