... 4.Bacteria-anti,Eco-friendly 5.All free of asbestos high quality calcium silicate board Characteristics:Fire and water proof, hardness ... -anti, Eco-friendly;All free of asbestosIndoor and outdoor wall decoration use: calcium silicate board, cement board, Magnesium ... facing tile and aluminum plastic plate ect. On the outer wall decoratings in tunnel, subway, airport, marketplace, hospital, office, ...