GB/T 15331-2020 Translated English of Chinese Standard. (GBT 15331-2020, GB/T15331-2020, GBT15331-2020): Test method for water vapor transmission rate of pressure-sensitive tapes [Buy--download True-PDF in 3-second: https://play.google.com/books > Sign in > This BOOK > "3-dots" > Export > Save as "*.pdf"]https://www.chinesestandard.net, 2021 M02 8 - 15 pages 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. |
Common terms and phrases
according to formula Adhesive Products adhesive surface aluminum or stainless anhydrous calcium chloride auxiliary bonding box with anhydrous box with desiccant bubbles or wrinkles contact the tape Edge sealing material Edition Electronic balance GB/T grams g grams per square instruments and equipment least 10min mass change mass increase meter day g/(m2·d method for section method for vertical method for water non-moisture-absorbing material Number of test piece at regular Preparation of test pressure-sensitive tape rate is zero rate of pressure-sensitive relative change rate relative humidity requirements in instruments Result calculation ring test cover Round test cover section water vapor shown as Figure square meter day stainless steel standard environment standard test environment steel is recommended tape in subsequent tape is pasted temperature of 38±1)°C terms and definitions test method test piece reaches Test steps total weight transmission rate WVTRcross-section vapor transmission rate vertical water vapor water vapor transmission WVTRvertical zero aluminum Zhongshan