3/4 cut-to-size pe300 sheet manufacturer-HDPE sheets 4×8 . High Density Polyethylene Sheet: 10mm to 30mm thick. On this page you can buy High Density Polyethylene, also referred to as HDPE or PE300, in full sheets and custom cut pieces in 10mm, 12mm, 15mm, 20mm, 25mm and 30mm thick. white pe300 sheet 2 inch thick factory price- Okay uhmwpe