Home » News » custom HDPE board » 15mm machinable HDPE board whosesaler 15mm machinable high density polyethylene board manufacturer Jul 07, 2020 · High-density polyethylene (HDPE), also known as polyethylene high-density (PEHD), is a thermoplastic polymer that also can be called “alkathene” or “polythene” when used for HDPE pipes