厂商 :临清市乐佳保温材料有限公司
山东 聊城市- 主营产品:
- 建筑用抗裂添加剂
- 保温、隔热材料
- 特种建材
联系电话 :18863599798
商品详细描述
![WE1N~]%022I(X5N}UKJD%ID_副本](https://cbu01.alicdn.com/img/ibank/2016/795/157/3186751597_1378146353.jpg)
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阻火圈是由金属材料制作外壳,内填充阻燃膨胀芯材,套在硬聚氯乙 烯管道外壁,固定在楼板或墙体部位,火灾发生时芯材受热迅速膨胀,挤压UPVC管道,在较短时间内封堵管道穿洞口,阻止火势沿洞口蔓延。15次试验后芯材不溶胀,不开裂,不粉化,试验后测得的芯材的膨胀体积与初始膨胀体积的偏差不大于5.2阻火圈是由金属材料制作外壳,内填充阻燃膨胀芯材,套在硬聚氯乙 烯管道外壁,固定在楼板或墙体部位,火灾发生时芯材受热迅速膨胀,挤压UPVC管道,在较短时间内封堵管道穿洞口,阻止火势沿洞口蔓延。
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