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一、用途Application
本产品适用于发电厂、变电站、核电站、矿山、石化、钢铁厂、高层建筑、隧道、地铁、轮船、人防工程、广播台、电视台、电话交换及电子计算机中心等阻燃要求较高的场合。
These wires & cables are suitable for use in power plants, substations, nuclear power stations, mines, petrochemical industry，iron & steel plants, high-rise buildings, subway，tunnels, ships, civil air defense projects, broadcast stations, TV station, telephone exchange, computer centres etc where flame-retardancy of cables is highly required．
二、阻燃电线电缆的特点
Characteristics of FR wires & Cables
阻燃电线电缆是指成束敷设时电线电缆具有阻止延燃的特性，它可将电线电缆的烧损区限制在2.5m的范围内，从而使火灾的损失减小。 |
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For FR wire & cables, the bunched cables have the ability to restrain flame propagation, which limits the burned portion of cables to max 2.5m thus reducing fire loss．
三、型号．名称 (见表1-1)
Cable type and designation (Table 1-1)
四、主要技术措施和性能
Main technical performance
1．成品电缆的阻燃性能符合下表的规定 (见表 2-2)
For finished cables, the flame retardancy meets the requirements of the following table (Table 2-2)
2．制作阻燃电缆的高聚物材料氧指数(OI)均在29～33之间。
The oxygen index (OI) of the polymeric components in FR cables is controlled in the range of 29～33． |
