Fireproof Mud (Flexible Organic Sealing Putty) Technical Details
Flexible organic fire sealing putty (DRK) per GB 23864-2023: grades A1/A2/A3 with A3 >=3h fire integrity and insulation, burning behaviour not below B2, density <=2.0x10^3 kg/m3, water and oil resistant for 3 days.
| Item | Parameter |
|---|---|
| Fire rating | A1（≥1h）/ A2（≥2h）/ A3（≥3h，耐火完整性与隔热性均≥3.00h） |
| Burning behaviour | 不低于 GB 8624 规定的 B2 级 |
| Apparent density | ≤2.0×10³ kg/m³ |
| Water / oil resistance | 均≥3 天，不溶胀、不开裂 |
| Damp heat resistance | ≥120h 不开裂、不粉化 |
Read the full technical guide: Fireproof Mud (Flexible Organic Sealing Putty) specifications and common models.