GB/T 7131-2026 Pending National standards

GB/T 7131-2026 Plastics—Identification of polymers—Pyrolytic gas chromatography method

Publish Date: 2026-03-31 Implement Date: 2026-10-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

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Basic Information

Standard Code: GB/T 7131-2026

Standard Type: National standards

Standard Status: Pending

is_force_gb: no

CCS Name: Basic standards and general methods for synthetic resins and plastics

ICS Name: Plastic Composite

Publish Date: 2026-03-31

Implement Date: 2026-10-01

Pages: 36 pages

Scope

This document describes the method of identifying plastics using pyrolysis gas chromatography.
This document is applicable to the identification of polymers in plastics containing a single polymer material, as well as the identification of the main polymers in plastics containing two or more polymer materials.
This document is not applicable to the identification of the same type of plastics produced by different processes, nor to the identification of the same type of plastics with different contents of comonomers.