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.
Key Specifications
| Item | Parameter |
|---|---|
| 耐火等级 | A1（≥1h）/ A2（≥2h）/ A3（≥3h，耐火完整性与隔热性均≥3.00h） |
| 燃烧性能 | 不低于 GB 8624 规定的 B2 级 |
| 表观Density | ≤2.0×10³ kg/m³ |
| 耐水性 / 耐油性 | 均≥3 天，不溶胀、不开裂 |
| 耐湿热性 | ≥120h 不开裂、不粉化 |
| 耐冻融循环 | ≥15 次不开裂、不粉化 |
| 常见包装 | 2kg / 块（塑料袋包装），整箱约 20kg |
Applications
- Cable wall and floor penetrations
- Switchgear and control cabinet entries
- Cable trenches and shafts
- Substation cable interlayers
- Petrochemical, tunnel and marine gaps
For quotations, samples or custom cutting of Fireproof Mud (Flexible Organic Sealing Putty), contact Maosheng Sealing Materials (Hejian, China): WhatsApp +86 185 0317 3007, email 2072321766@qq.com. See the Fireproof Mud (Flexible Organic Sealing Putty) product page for details.