China HDPE Sheet / Polyethylene Sheets Thickness 20mm 25mm . HDPE industrial sheets (engineer sheets) HDPE UV stabilized sheets. HDPE anti static sheets. HDPE anti flame sheets. Sizes. Thickness range: 1-50mm. Width max: 2500mm. Length: no limitation. Standard sizes: 1220*2440mm, 1000*2000mm. High Density Polyethylene (HDPE) Sheet U.S