Advantages and disadvantages of flame retardant and fire resistant cables
Release date: 2019-12-23 Views: 34
今天来给大家讲一下阻燃电缆和耐火电缆的优缺点，帮助大家区分阻燃电缆和耐火电缆。 Today, Xutong will tell you the advantages and disadvantages of flame retardant cables and refractory cables, and help everyone distinguish between flame retardant cables and refractory cables.
、无卤电缆、耐火电缆的明确概念及优缺点 Clear concepts and advantages and disadvantages of flame-retardant cables , halogen-free cables, and fire-resistant cables
The characteristic of flame retardant cable is to delay the spread of flame along the cable so that the fire will not spread. Because of its low cost, it is a variety of cables used in fire-resistant cables. Whether it is a single cable or a bundle of cables, the cable can control the spread of flames within a certain range when it is burned. Therefore, it can avoid major disasters caused by fire and continue burning, thereby improving the fire protection level of cable lines.
The characteristics of halogen-free low-smoke flame-retardant cables are not only that they have good flame-retardant properties, but also the halogen-free materials that constitute low-smoke halogen-free cables, which are less corrosive and toxic when burned, and generate a very small amount of smoke, thereby reducing Damage to people, instruments, and equipment is conducive to timely rescue in the event of a fire. Although it has good flame retardancy, corrosion resistance, and minimal smoke concentration, it has slightly worse mechanical and electrical properties than ordinary cables.
Refractory cable can maintain normal operation for a certain period of time under the condition of flame burning, and can maintain the integrity of the line. Fire-resistant cables produce less acid fumes when they are burned, and their fire resistance and flame retardant properties are greatly improved. Especially during burning, with water spray and mechanical shock, the cables can still maintain the complete operation of the line.
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