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How much do you know about low-smoke and halogen-free wires

source:Industry News     Popular:adapter     release time:2021-06-10 09:15:39     Article author:sznbone    

  Nowadays, with the continuous development of various industries, wires and cables are needed in many fields. We all know that wires and cables are generally made of flammable materials such as plastic or rubber. Low-smoke halogen-free cables are one of them. Whether they can perform their performance correctly depends on the correct understanding of this type of cable. Next, Zhujiang Cable will analyze such a high-performance cable in detail for everyone, and understand the characteristics of low-smoke halogen-free wires!

How much do you know about low-smoke and halogen-free wires(图1)

  Zhujiang Cable has introduced advanced wire and cable manufacturing technology, production equipment and testing equipment. It has imported wire-drawing equipment, imported fully automated cradle packing equipment, advanced granulation production equipment, automated granulation pipeline transportation systems, etc., and also introduced industry Advanced cross-linked wire and cable production line, medium and low voltage wire and cable production line, etc., continuously improve low-smoke and halogen-free cables to enhance their performance. The materials of low-smoke and halogen-free cables produced do not contain any halogen and other toxic substances. , There is no wire with a lot of smoke. When a fire occurs, the spread speed is slow, the smoke concentration is low, the visibility is high, and the amount of harmful gas released is small, which is convenient for evacuation. The combustion gas is less corrosive, and it also avoids damage to the equipment. The low halogen and halogen-free characteristics greatly improve the resistance to aging, ultraviolet and other radiation of the cable material, thereby extending the service life of the cable.

  Features of low-smoke and halogen-free wires

  1. No toxic black smoke will be produced during combustion (a small amount of white smoke will be produced);

  2. The characteristics of low-smoke halogen-free flame-retardant wires-the tensile strength is greater than that of ordinary PVC wires: the tensile strength of general PVC wires is greater than 1.05Kgf/mm2, and the tensile strength of low-smoke halogen-free wires is greater than 1.2Kgf/mm2;

  3. The characteristics of low-smoke halogen-free wires-good weather resistance (-30℃~105℃); good softness (hardness 80-90);

  4. The characteristics of low-smoke halogen-free flame-retardant wires-non-migration (because this product formula does not need to add plasticizer, so there will be no migration);

  5. High volume resistivity: PVC wire is generally 1012~1015Ω/cm3, and low-smoke halogen-free wire is greater than 1016Ω/cm3; it has good high-voltage resistance;

  At a glance, few people know this kind of wire!

  In modern society, people are becoming more and more dependent on fire, and they are becoming more and more harmed by fire. Therefore, the fire safety of building materials, including integrated wiring systems, has become the content of people's attention. The external fire will destroy the integrated wiring system and cause transmission interruption; at the same time, the integrated wiring system will more or less produce harmful gases and smoke in the flame, and may also aggravate the fire and gradually spread to other floors or other rooms.

  According to the statistics of the fire department, about 85% of deaths in fires are caused by poisoning by harmful gases generated in the fire, suffocation by diffuse smoke, or inability to escape due to invisible paths. In buildings, the number and spread of integrated wiring cables exceeds that of various cables in buildings. Therefore, the fire protection of integrated wiring systems has begun to become one of the key considerations for system performance. Is there a safe and non-toxic cable? The answer is yes! The following Pearl River Cable will answer for you!


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