Standard No.:	GB/T 1038.2-2022
English Name:	Plastics—Film and sheeting—Determination of gas-transmission rate—Part 2:Equal-pressure methods
Chinese Name:	塑料制品 薄膜和薄片 气体透过性试验方法 第2部分：等压法
Chinese Classification:	G31    Basic standards and general methods for synthetic resin and plastic
Professional Classification:	GB    National Standard
ICS Classification:	83.140.10 83.140.10    Films and sheets 83.140.10
Issued by:	SAMR; SAC
Issued on:	2022-10-12
Implemented on:	2023-5-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	8500 words
Price(USD):	255.00
Delivery:	via email in 1~3 business day

本文件规定了在等压条件下，测定塑料薄膜、薄片、共挤材料、塑料涂覆材料和层压板等材料的气体透过性的两种试验方法--库仑传感器法和气相色谱法。
本文件适用于塑料薄膜和薄片气体透过性的测定，其他材料的气体透过性测定可参照使用。