HDPE = High-Density Polyethylene LDPE = Low-Density Polyethylene LLDPE =Linear Low-Density Polyethylene UHMW = Ultrahigh Molecular Weight Polyethylene MDPE = Medium-Density Polyethylene HMWPE = High-molecular-weight polyethylene ULMWPE or PE-WAX = Ultra-low-molecular-weight polyethylene HDXLPE = High-density cross-linked polyethylene CPE = Chlorinated polyethylene PEX or XLPE = Cross-linked polyethylene VLDPE = Very-low-density polyethylene HDPE Melt Index D12380,25g/10min D