What is the difference between low smoke halogen free flame retardant cables and fire resistant cables?

I. The difference between low smoke halogen-free flame retardant cable and fire-resistant cable? With the development of the times, people's requirements for environmental protection are becoming more and more stringent, and more and more attention is paid to the problems of public places. Therefore, in modern high-rise buildings, subways, hospitals, colleges and large shopping malls and other crowded places, systems such as emergency exit lighting, alarm systems and fire protection equipment, etc. and ships, locomotives and the manufacturing industry, people require a different kind of PVC insulation is more reliable, more reliable transmission of electricity and measurement of cables - low-smoke halogen-free flame-retardant and fire-resistant cables. Low-smoke halogen-free flame retardant cables, fire-resistant cable features to adapt to people in the transmission and measurement of electrical energy and the requirements of some multinational cable manufacturers, such as Alcatel (now reorganized and renamed Nexans) as early as more than a decade ago has been the use of raw materials belonging to the newly developed manufacturing low-smoke halogen-free flame retardant and fire-resistant cables. Compared to ordinary PVC insulated and sheathed cables, halogen-free cables are a product that meets modern requirements. In the event of a fire, the smoke released when the cable is burned is non-toxic and corrosive, so the damage to humans and objects can be greatly reduced. At the same time, halogen-free cables in the fire, the amount of smoke released and the concentration is very low, the crowd and firefighters can clearly find the source of the flame and the exit, firefighters can also quickly arrive at the scene of the fire to extinguish the fire. In addition, when fire occurs, the flame retardant components of flame retardant cables can play a flame retardant role, so that the cable will not become a channel for the spread of flames. At the same time, halogen-free flame retardant cables can also be required to use the appropriate raw materials and structural design so that it has fire performance. In case of fire, such fire-resistant cables can still continue to operate within a certain period of time, providing electrical energy for the rescue of personnel and equipment.

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