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The main classification and application of special cables

Update:14-03-2020

Special cable

Special cables are cables with special functions, mainly including flame-retardant cables (ZR), low-smoke halogen-free cables (WDZ), fire-resistant cables (NH), explosion-proof cables (FB), rodent-proof cables, termite-resistant cables (FS), and resistance cables. Water cable (ZS), etc .

Flame-retardant cable (ZR), low-smoke halogen-free cable (WDZ): mainly suitable for important power and control systems. When the line encounters a fire, the cable can only be burned to a limited extent under the action of an external flame, and the amount of smoke is small, and the harmful gas (halogen) in the smoke is also very small.

When the external flame disappears, the cable can be extinguished by itself, so that the fire damages the human body and property to a minimum. Therefore, this kind of cable is widely used in petrochemical, electric power, metallurgy, high-rise buildings and densely populated places.

Fire-resistant cable (NH): It is mainly suitable for particularly important power and control systems. When the line encounters a fire, the refractory cable can withstand high temperatures of 750 ~ 800 ℃ for more than 90 minutes, ensuring safe power transmission to win sufficient time for fire suppression and disaster reduction.

Facing special occasions, new products are constantly being produced, such as fire-resistant cables, flame-retardant cables, low-smoke halogen-free / low-smoke low-halogen cables, termite / rat-proof cables, oil-resistant / cold-resistant / temperature-resistant / wear-resistant cables Cables, irradiated cross-linked cables, etc.

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