This Standard specifies the test method for determining the gas permeability of homogeneous dense membranes of polymer membrane materials by the constant volume method. This Standard is applicable to the test of the gas permeability of flat polymer homogeneous dense membranes made of polymer membrane materials. Other forms of polymer dense membranes may take this as a reference.
Basic Data
Standard ID
GB/T 40260-2021 (GB/T40260-2021)
Description (Translated English)
Test method for determining gas permeability of polymer membrane materials
Sector / Industry
National Standard (Recommended)
Classification of Chinese Standard
G85
Word Count Estimation
14,126
Issuing agency(ies)
State Administration for Market Regulation, China National Standardization Administration
