... 1. ISO ,CE , ASTM approved ; 2. Moisture resistance ,anti-UV ; 3.environment friendly 4.no crack,no rot, nofading Description ... resistant, suitable from minus - 40 to 60 centigrade degree and against UV7. Well done of Termites, insects, and moldy-proof8. Available ... M(CB)4ASTM D256-06aTensile strength27.0 MPaASTM D638-08 UV-resistance testGray Scale 1ASTM G154-06Coefficient of linear thermal expansion9 ...