PE300 – Polyethylene (PE) – Engineering Plastics – Products PE300 Sheet Black PE300, otherwise known as HDPE (High Density Polyethylene), is a high impact strength grade of PE. This item is available for delivery within 7-14 days. 15mm hdpe panel cut to size-HDPE 4×8 polyethylene sheet for sale Buy HDPE – Stocked, Cut, HDPEpped, and