This document specifies two test methods for the gas transmission of plastic film and sheeting, co-extrusion material, plastic coating material and laminated board under the condition of equal pressure---coulomb sensor method and gas chromatography. This document is applicable to the determination of gas transmission of plastic film and sheeting. The determination of gas transmission of other materials may take this as a reference.
Basic Data
Standard ID
GB/T 1038.2-2022 (GB/T1038.2-2022)
Description (Translated English)
Plastics - Film and sheeting - Determination of gas-transmission rate - Part 2: Equal-pressure methods
Sector / Industry
National Standard (Recommended)
Classification of Chinese Standard
G31
Classification of International Standard
83.140.10
Word Count Estimation
18,170
Date of Issue
2022-10-14
Date of Implementation
2023-05-01
Issuing agency(ies)
State Administration for Market Regulation, China National Standardization Administration
