直销武汉市电缆附件电缆中间接头防火防爆盒。直销武汉市电缆附件电缆中间接头防火防爆盒。电缆接头保护盒由不燃无机耐火材料制成对称的两部分,并由多条螺栓对连接,能有效防止电缆接头爆裂起火的火灾蔓延,若有通风散热要求的接头盒可在盒身开散热孔,遇火时,散热孔封闭防止火势蔓延。此产品适用于电线电缆的接头处,有效地防止火灾发生时火焰的蔓延和扩散。
检验项目 Inspection
Item | 技术指标 Technical
Target | 检验结果 Inspection
Result |
耐火性能 Fire-resistant
performance | 耐火完整性 Fire
integrity | A1级≥1.00h | 1.00h |
耐火隔热性 Heat
insulation | A1级≥1.00h | 1.00h |
燃烧性能 combustion performance | ≥
v-0 级 v-0 degree | v-0 级 v-0 degree |
外观 Exterior appearance | Plate,
smooth surface | Up
to mustard |
抗弯强度/ MPa Anti-bending
strength/ MPa | ≥0.10 | 62.06 |
耐水性/d Water tolerance/d | ≥3 不溶胀,不开裂no
swelling and cracking | 3 |
耐油性/d Oil resistivity/d | ≥3 不溶胀,不开裂 no swelling and cracking | 3 |
耐湿热性/h Humidity resistance/h | ≥120不开裂不粉化 no swelling
and efflorescence | 120 |
耐冻融循环/次 Resistance to cold cycle/time | ≥15 不开裂,不粉化 no swelling and efflorescence | 15 |