This standard specifies the terms and definitions, requirements, test methods, inspection rules, packaging, manufacture, storage and return of admixtures for cement concrete.
This standard is suitable for high performance water reducing agent (early strength type, standard type, retarding type), superplasticizer (standard type, retarding type), ordinary water reducing agent (early strength type, standard type, retarding type ), Air-entraining water-reducing agent, pumping agent, early strength agent, retarder and air-entraining agent a total of eight categories of concrete admixture.