GB/T 21371-2008 (English Version) PDF

Standard No.: GB/T 21371-2008
Language: Chinese, Available in English version
Release Date: 2008
Published By: General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China
Status: Be replaced 2020-09
Replace By: GB/T 21371-2019
Latest: GB/T 21371-2019

Scope: This standard specifies the terms and definitions, technical requirements, test methods and judgment rules of industrial by-product gypsum used in cement. This standard applies to the use of industrial by-product gypsum used to adjust the setting time of cement

GB/T 21371-2008 Referenced Document

GB 6566 Limits of radionuclides in building materials
GB 8076-1997 Concrete admixtures
GB/T 1346 "Test methods for water requirement of normal consistency,setting time and soundness of the Portland cement"
GB/T 17671 Test method of cement mortar strength ( ISO method )*， 2021-12-31 Update
GB/T 2419 Test method for fluidity of cement mortar
GB/T 5483 Natural gypsum*， 2008-06-30 Update
GB/T 5484 Methods for chemical analysis of gypsum*， 2012-12-31 Update
JC/T 1073 Methods for chemical analysis of chloride for cement*， 2008-02-01 Update