GB/T 20644.2-2025 Active National standards

GB/T 20644.2-2025 Special environmental condition—Guidance for choosing—Part 2:Polymer materials

GB/T 20644.2-2025 Special environmental condition—Guidance for choosing—Part 2:Polymer materials

Publish Date: 2025-08-01 Implement Date: 2026-02-01 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 20644.2-2025

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Environment conditions and general testing methods

ICS Name: Environment testing

Publish Date: 2025-08-01

Implement Date: 2026-02-01

Pages: 16 pages

Scope

This document outlines the environmental requirements for polymer materials when used in special environmental conditions such as dry heat, dry desert, plateau, humid heat ocean, humid heat, and cold environments, as well as the selection of polymer materials, the selection of test evaluation items, and the selection of test methods.
This document is applicable to polymer materials such as plastics and rubber, including biodegradable plastics and non-biodegradable plastics.

Development Information

Word Count: 15 Thousand words Pages: 16 pages

Same series standard

GB/T 20644.1-2025 Special environmental condition—Guidance for choosing—Part 1:Metals protection

Replace the following standards

GB/T 20644.2-2006 Specific environmental condition—Guidance for choosing—Part 2:Polymer materials

Referenced Standards

GB/T 3681.2-2021 Plastics—Methods of exposure to solar radiation—Part 2:Direct weathering and exposure behind window glass GB/T 9276-1996 Methods of exposure to natural weathering of coating GB/T 20625-2024 Special environmental condition—Terminologies GB/T 22047-2008 Plastics—Determination of the ultimate aerobic biodegradability in soil by measuring the oxygen demand in a respirometer or the amount of carbon dioxide evolved GB/T 20643.3-2025 Special environmental condition—Environmental test method— Part 3:Artificial environmental test method and guidance—Polymer material

Related Standards

GB/T 6587.1-1986 Replaced

GB/T 6587.1-1986 Environmental tests program for electronic measuring instruments

Publish Date: 1986-07-23

GB/T 6587.2-1986 Replaced

GB/T 6587.2-1986 Temperature tests for electronic measuring instruments

Publish Date: 1986-07-23

GB/T 6587.3-1986 Replaced

GB/T 6587.3-1986 Humidity tests for electronic measuring instruments

Publish Date: 1986-07-23

GB/T 6587.4-1986 Replaced

GB/T 6587.4-1986 Vibration tests for electronic measuring instruments

Publish Date: 1986-07-23

GB/T 6587.5-1986 Replaced

GB/T 6587.5-1986 Shock tests for electronic measuring instruments

Publish Date: 1986-07-23

GB/T 6587.6-1986 Replaced

GB/T 6587.6-1986 Transportation tests for electronic measuring instruments

Publish Date: 1986-07-23