GB/T 21371-2019: By-product gypsum used in cement

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Scope

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.

Basic Data

Standard ID	GB/T 21371-2019 (GB/T21371-2019)
Description (Translated English)	By-product gypsum used in cement
Sector / Industry	National Standard (Recommended)
Classification of Chinese Standard	Q11
Classification of International Standard	91.100.10
Word Count Estimation	6,654
Date of Issue	2019-10-18
Date of Implementation	2020-09-01
Older Standard (superseded by this standard)	GB/T 21371-2008
Quoted Standard	GB/T 1346; GB/T 2419; GB/T 5483; GB/T 5484; GB 6566; GB/T 17671; JC/T 1083
Issuing agency(ies)	State Administration for Market Regulation, China National Standardization Administration
Summary	This standard specifies the terms and definitions, technical requirements, test methods and determination 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.