custom size HDPE board 8mm factory price-HDPE board 4×8 . 8mm hdpe plastic sheets White-HDPE sheets 4×8, Custom HDPE Highly resistant to rrosive chemicals except oxidizing acids. Production Techniques and Equipment Our 8 x 4 white plastic sheets are made by moulding press, thickness 8mm~300mm. mon full size of per sheet is 4*8ft (1220*2440mm). uv stabilized high density plastic board 8mm price-HDPE black . A clear 9-mil polyethylene UV stabilized one-sided e used to patch small holes in