... offices, compartment of public buildings, decorating frame for commerce, boards for dust-free room, ceiling boards; advertisement ... chemical anticorrosive engineering,thermal moulding parts, boards for refrigeratory, boards for special cold-keep project and environmental protection ... tensile strength, 12-20MPa, bending strength, 12-18MPa, elastic modulus in bending, 800-900MPa, impact strength, 8-15KJ ...