GB/T 46064-2025

Active

Metakaolin powder used for concrete and mortar

混凝土和砂浆用偏高岭土粉

Standard Type
GBT
ICS
91.100.30
CCS
Q13
Status
Active
Issue Date
2025-08-29
Implementation
2026-03-01
Centralized Committee
中国建筑材料联合会
Issuing Authority
国家市场监督管理总局、国家标准化管理委员会

Application Summary AI generated

GB/T 46064-2025 specifies the technical requirements, test methods, inspection rules, and packaging for metakaolin powder used as a mineral admixture in concrete and mortar. It is applied in the construction industry to enhance the mechanical properties and durability of cement-based materials, particularly in high-performance concrete, precast components, and repair mortars. The standard ensures consistent quality for metakaolin sourced from calcined kaolin, enabling its use in structural and non-structural applications where reduced permeability and increased resistance to chemical attack are required.

Related Standards

Transparency note: The application summary and key sentences on this page were automatically generated by AI from the standard's original text. This content has not been human-verified and should not be used for compliance or regulatory purposes. Always refer to the official standard document from the issuing authority.