GB/T 18445-2025 is a national standard for cementitious capillary crystalline waterproofing materials. It specifies the terminology, classification, technical requirements (including physical and mechanical properties as well as waterproof performance), and corresponding test methods for such materials. This standard applies to powdered waterproofing materials that enhance the impermeability of concrete through the penetration and crystallization of active chemical substances.
This summary is not the original standard text and is for reference only. For accurate information, please obtain it through official channels.
| Status | Active | ||
|---|---|---|---|
| CCS | Q17 | ICS | 91.120.30 |
| Release Date | 2025-06-30 00:00:00 | Implementation Date | 2026-01-01 00:00:00 |