Thickness 5 to 20mm high quality pe300 sheet direct factory 20mm high quality sheet of hdpe factory-HDPE sheets 4×8 HDPE Sheet Thickness: 2-200 mm, 0.2-3 mm. HDPE Sheet Size: Length: 1220 mm, 1000×2000 mm. High Density Polyethylene (HDPE) sheet is extremely strong against impact, abrasion resistant, and exhibits a low efficient of friction.