... 1.High strength 2.Frost Resistance,Fire retardancy,water resistance,non deforming Product Data:Materials: Tobermorite, Portland cement, Quartz ... 0.23/*****Water absorption: ≤ 30%Bulking factor: ≤0.23%Non Combustible: British Standard 476, part20&22, 1987. Radioactivity: GB65662001 ... resistant to combustion at 800 and remains flameless at1200 . non-flammability: British Standard 476, part20&22, 1987. 2 ...