... Durable 3.Light weight and easy to install 4.Low thermal insulation Microporous insulation fiber reinforced calcium silicate boards 9mm JRCSB85 Physical Properties CommodityCalcium ... weight, highstrengh, fier-proof, water-proof, moisture-proof, sound insulation, heat insulation, thermal insulation,anti-shock,anti-impact,anti-aging,corrosion-resistang,anti-pests ...