GB/T 40921-2021
Expanded polypropylene(PP-E)beads (English Version)

Standard No.
GB/T 40921-2021
Language
Chinese, Available in English version
Release Date
2021
Published By
国家市场监督管理总局、中国国家标准化管理委员会
Latest
GB/T 40921-2021
Scope
This document specifies the product classification, requirements, test methods, inspection rules, marking, packaging, transportation and storage of expanded polypropylene (PP-E) beads. This document applies to expanded polypropylene beads of a certain size and shape, which are made of polypropylene and its copolymers as the main raw material, with the addition of a nucleating agent and the use of a physical blowing agent.

GB/T 40921-2021 Referenced Document

  • GB 8410-2006 Flammability of automotive interior materials
  • GB/T 13464-2008 Thermal analysis test methods for thermal stability of materials
  • GB/T 21389-2008 Vernier,dial and digital display calipers
  • GB/T 2918-2018 Standard environment for conditioning and testing of plastic specimens
  • GB/T 31838.3-2019 Solid insulating materials—Dielectric and resistive properties—Part 3: Resistive properties (DC methods)—Surface resistance and surface resistivity
  • GB/T 6343-2009 Cellular plastics and rubbers.Determination of apparent density
  • GB/T 8813-2020 Rigid cellular plastics—Determination of compression properties
  • GB/T 9345.1-2008 Plastics.Determination of ash.Part1:General methods

GB/T 40921-2021 history

Expanded polypropylene(PP-E)beads



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