网页8mm abrasion pe 300 polyethylene sheet for outdoor-HDPE Low Density Polyethylene (LDPE) Sheet. These sheets can be heat formed, shaped, and welded to fabricate ducts, hoods, and much more. The material cannot be cemented, but it is easily welded with plastic welder. It can be cut with a carbide-tipped saw blade and drilled with regular metal bits.