GB/T 21461.1-2008 (English Version) PDF

Standard No.: GB/T 21461.1-2008
Language: Chinese, Available in English version
Release Date: 2008
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Status: Be replaced 2024-06
Replace By: GB/T 21461.1-2023
Latest: GB/T 21461.1-2023

Scope: This part of GB/T 21461 specifies the nomenclature system for ultra-high molecular weight polyethylene (PE-UHMW) thermoplastic materials. This system can be used as a basis for classification. Ultra-high molecular weight polyethylene (PE-UHMW) in this section refers to polyethylene materials with a melt mass flow rate (MFR) of less than 0.1g/10min at a temperature of 190°C and a load of 21.6kg. This section applies to all PE-UHMW homopolymers and other copolymers with a mass fraction of 1-olefin monomers less than 50% and non-olefin monomers with functional groups not exceeding 3%. This section applies to materials that are conventionally in the form of powders, granules or crumbs, unmodified or modified by colorants, fillers, etc. This section does not imply that the named materials must have the same properties. This section does not provide engineering data, performance data, or processing condition data necessary to describe a particular use and/or processing method for the material. If necessary, these additional properties can be determined according to the test methods specified in Part 2 of this standard. In order to explain the special use of a certain PE-UHMW material or to ensure the reproducibility of processing, additional requirements can be given in the fifth character group.

GB/T 21461.1-2008 Referenced Document

GB/T 1844.1-2008 Plastics.Symbols and abbreviated terms.Part1:Basic polymers and their special characteristics*， 2008-08-04 Update
GB/T 1844.2-2008 Plastics.Symbols and abbreviated terms.Part2:Fillers and reinforcing materials*， 2008-08-04 Update
GB/T 19701.1-2005 Implants for surgery-Ultra-high molecular weight polyethylene part 1:Powder form
GB/T 21461.2-2008 Plastics.Ultra-high-molecular-weight polyethylene(PE-UHMW)moulding and extrusion materials.Part 2:Preparation of test specimens and determination of properties
ISO 1628-3 Plastics - Determination of the viscosity of polymers in dilute solution using capillary viscometers - Part 3: Polyethylenes and polypropylenes*， 2010-05-01 Update

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