Asbestos rubber sheet follows GB/T 3985-2008 with grades XB450 (450C/6MPa), XB350 (350C/4MPa) and XB200 (200C/1.5MPa). Fireproof sealing putty follows GB 23864-2023 with class B2 burning behaviour.
Key Specifications
| Item | Parameter |
|---|---|
| 石棉板Thickness | 0.5 / 1 / 1.5 / 2 / 2.5 / 3 / 4 / 5 / 6mm |
| 常见板幅 | 500×500、1000×1000、1500×2000mm（宽500/620/1200/1260/1500mm） |
| Service Temperature | XB200≤200℃、XB350≤350℃、XB450≤450℃ |
| 使用压力 | XB200≤1.5MPa、XB350≤4MPa、XB450≤6MPa |
| Fireproof Putty | 表观Density≤2.0×10³ kg/m³，耐水/耐油≥3天，耐冻融≥15次 |
| 防火等级 | Fireproof Putty燃烧性能不低于 B2 级，耐火可达 3h（A3 级） |
Applications
- Boiler and steam pipe flanges
- Kiln and oven door seals
- High-temperature pipe insulation wrapping
- Cable penetration fire sealing
- Substation and switchboard fire stops
For quotations, samples or custom cutting of Asbestos / Fireproof Materials, contact Maosheng Sealing Materials (Hejian, China): WhatsApp +86 185 0317 3007, email 2072321766@qq.com. See the Asbestos / Fireproof Materials product page for details.