2023GB/T 21461.1-2023 Plastic ultra-high molecular weight polyethylene (PE-UHMW) molding and extrusion materials Part 1: Nomenclature system and classification basis
2008GB/T 21461.1-2008 Plastics.Ultra-high-molecular-weight polyethylene(PE-UHMW)moulding and extrusion materials.Part 1:Designation system and basis for specifications