This Standard specifies the terms, definitions, requirements, test procedures, inspection rules, package, exit-factory, storage and return of admixtures used in concrete. This Standard is applicable to high performance water reducer (accelerating, standard and retarding reducers), high efficiency water reducer (standard and retarding reducers), ordinary water reducer (accelerating, standard and retarding reducers), air- entraining water reducer, pumping admixture, early strength admixture, retarder and air-entraining admixture, eight in total.
Announcement of Newly Approved National Standards No. 23 of 2008 (No. 136 overall)
Issuing agency(ies)
General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China
Summary
This Chinese standard specifies the admixture for cement concrete terms and definitions, requirements, test methods, inspection rules, packaging, factory, storage and returns. This standard applies to superplasticizer (early strength, standard, retarding), superplasticizer (standard, retarding), ordinary water reducer (early strength, standard, retarding), air entraining superplasticizer, pumping agent, early strength agent, retarder and air-entraining agent of eight classes of concrete admixtures.
