GB/T 15331-2020: Test method for water vapor transmission rate of pressure-sensitive tapes

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Scope

This Standard specifies test principle, instruments and equipment, preparation
of test piece, test steps and result calculation for water vapor transmission rate
of pressure-sensitive tapes.
This Standard includes test methods for vertical water vapor transmission rate
and section water vapor transmission rate. The test method for vertical water
vapor transmission rate is applicable to single-sided or double-sided pressure-
sensitive tape. The test method for section water vapor transmission rate is
applicable to double-sided pressure-sensitive tape.

Basic Data

Standard ID	GB/T 15331-2020 (GB/T15331-2020)
Description (Translated English)	Test method for water vapor transmission rate of pressure-sensitive tapes
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	G38
Classification of International Standard	83.180
Word Count Estimation	10,145
Date of Issue	2020-11-19
Date of Implementation	2021-10-01
Older Standard (superseded by this standard)	GB/T 15331-1994
Quoted Standard	GB/T 4851-2014; GB/T 22396
Regulation (derived from)	National Standard Announcement No. 26 of 2020
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration
Summary	This standard specifies the test principles, instruments and equipment, preparation of test pieces, test procedures and calculation of results for the water vapor transmission rate of pressure-sensitive adhesive tapes. This standard includes test methods for vertical and cross-sectional water vapor transmission rates of adhesive tapes. The test method for vertical water vapor transmission rate of adhesive tape is applicable to single-sided or double-sided pressure-sensitive adhesive tapes, and the test method for cross-sectional water vapor transmission rate of adhesive tapes is only applicable to double-sided pressure-sensitive adhesive tapes.