GB/T 40260-2021 Active National standards

GB/T 40260-2021 Test method for determining gas permeability of polymer membrane materials

Publish Date: 2021-05-21 Implement Date: 2021-12-01 For services related to genuine standard inquiry, procurement, translation, and other related services in China, please Contact Us

Basic Information

Standard Code: GB/T 40260-2021

Standard Type: National standards

Standard Status: Active

is_force_gb: no

CCS Name: Other chemical products

ICS Name: Other chemical products

Publish Date: 2021-05-21

Implement Date: 2021-12-01

Pages: 13 pages

Scope

This document specifies the test method for measuring the gas permeability of homogeneous dense films made from polymer membrane materials using the constant volume method. This document is applicable to testing the gas permeability of flat polymer homogeneous dense films made from polymer membrane materials. For other forms of polymer dense films, please refer to the relevant standards for implementation.