How are environmentally friendly wires and cables used?

I. How is the use of environmentally friendly wire and cable? With the development of the power cable wire www.shechudl.com industry, there are many products in the types of production. Low smoke halogen free cable is one of them. The product has superior flame retardant properties, little smoke when burning, no corrosive gases escape, widely used in nuclear power plants, subway stations, telephone exchanges and computer control centers, high-rise buildings, hotels, radio and television stations, important military facilities, oil platforms, etc., as well as a higher concentration of people, the place of low air density. Halogen-free (F, Cl, Br, I, At) and lead, cadmium, chromium, mercury and other environmental substances made of rubber, because the combustion does not emit toxic fumes (such as: hydrogen halide, carbon monoxide, carbon dioxide, etc.), so it is also known as environmentally friendly cables. 1 where the halogen pointer: the value of all the halogens ≦ 50 PPM (according to the regulations PREN 14582) 2 combustion to produce the content of hydrogen halide gas < 100PPM (according to regulation EN5067-2-1)3 PH value of hydrogen halide gas generated after combustion dissolved in water ≧4.3 (weak acidity) (according to regulation EN-50267-2-2)4 Transmission rate of light through a beam of light after combustion of the product in an airtight container ≧60% (according to regulation EN-50268-2)5 Pb＜90PPM, Cd, Cr6+, Hg, PBBs, PBDEs are less than 5PPM Use: The wire and cable products have superior flame retardant properties, little smoke when burning, no corrosive gases escape, widely used in nuclear power plants, subway stations, telephone exchanges and computer control centers, high-rise buildings, hotels, radio and television stations, important military installations, oil platforms, etc., as well as more centralized personnel, low air density places. (1) tensile strength than the general PVC wire: general tensile strength of PVC wire is greater than 1.05Kgf/mm2, while the tensile strength of low-smoke halogen-free wire is greater than 1.2Kgf/mm2; (2) has a good weathering (-30 ℃ ~ 105 ℃); (3) with a good degree of softness (hardness of 80-90); (4) has a non-migratory (because of the formulation of this product does not need to add plasticizers, so there will be no (because the product formula does not add plasticizers, so there will be no displacement); (5) does not produce toxic black smoke when burning (a small amount of white smoke); (6) has a high volume resistivity: PVC wire is generally 1012 ~ 1015Ω/cm3, low-smoke halogen-free wire is greater than 1016Ω/cm3; (7) has a good high-voltage characteristics: PVC wire is generally resistant to more than 10KV, and low-smoke halogen-free wire up to 15KV or higher; (8) has a high voltage characteristics: PVC wire is generally resistant to more than 10KV, and low-smoke halogen-free wire up to 15KV or more. Wire up to 15KV or more; (8) has good elasticity and adhesion.

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