5mm large size pe 300 polyethylene sheet for sale. 5mm abrasion HDPE sheets seller-Cus-to-size HDPE sheets HDPE. Density. 0.96-1 g/cm3. Shore Hardness. 55-70 A. We offer quality assured range of HDPE sheets, also known as High Den . 4×8 pe 300 sheets for silo-HDPE high density polyethylene . Polyethylene Sheets - Plastic Film Cut to Size.