The GB 31040-2014 standard specifies the limit requirements for residual formaldehyde in concrete admixtures. The standard sets strict limit standards for the release of formaldehyde in concrete admixtures to ensure that concrete products will not release harmful formaldehyde excess during use, so as to ensure the environment friendliness and safety of building materials.
| Status | Active |
|---|---|
| CCS | Q12 | ICS | 91.100.30 |
| Release Date | 2014-12-05 00:00:00 | Implementation Date | 2015-12-01 00:00:00 |