Download or read book GB T 21371 2019 Translated English of Chinese Standard GB T21371 2019 GBT 21371 2019 written by https://www.chinesestandard.net and published by https://www.chinesestandard.net. This book was released on 2022-08-21 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: This Standard specifies the terms and definitions, technical requirements, test methods and judgment rules, transportation and storage of industrial by-product gypsum used in cement. This Standard is applicable to the acceptance and use of industrial by-product gypsum for adjusting the setting time of cement.