GB/T 31040-2025

Upcoming

Test methods of residual formaldehyde from the concrete admixtures

混凝土外加剂中残留甲醛的测试方法

Standard Type
GBT
ICS
91.100.30
CCS
Q12
Status
即将实施
Issue Date
2025-10-05
Implementation
2026-08-01
Responsible Dept
中国建筑材料联合会
Drafting Unit
N/A