... ) 15, ( W) 65* (T) 15, ( W) 65* (T) 20, ( W) 74* (T) 15, ( W) 80* (T) 15, ( W) 90* (T) 15 ... 10densityg/cm3/0.826 11Changes in the shape of the high and low temperature//Put the item in the Environment -24 ... 15tensile-strength(portrait direction)Mpa/13.4 8.Factory showing high quality polystyrene wood panel use for making backyard fence ,waterproof wood ...