25mm uhmw plastic sheet whosesaler nz--HDPE plastic sheets Ultra High Molecular Weight Polyethylene Products Material. Ultra High Molecular Weight Polyethylene Liners. Size (FeetXFeet) 4X8. Thickness. 2mm, m, 4mm, 5mm, 6 MM TO 150 MM. ADVANTAGES. smooth sheet of uhmw for funnel 25mm-Okay uhmwpe/hdpe sheet