The difference between environmental protection cable and low smoke halogen free cable
2017-04-25
In many places in key projects, such as fire protection, monitoring, alarm and other places will use low-smoke halogen-free cable, usually people will call it environmental protection cable, in fact, environmental protection cable does not refer to the low-smoke halogen-free cable, the following is a detailed analysis of the difference between environmental protection cable and low-smoke halogen-free cable:
1. Halogen-free:
The use of green environmental protection insulation layer, sheath and special oxygen barrier material, not only has good electrical properties, physical and mechanical properties, but also ensures that the product does not contain halogen, solves the "secondary pollution" formed during combustion, and avoids the traditional PVC wire combustion can produce carcinogenic "dioxin" substances.
2. High flame retardancy:
The environmental protection cable fully guarantees its high building requirements for fire protection. The cable is not easy to burn during fire, and can prevent the spread of flame and the expansion of disasters after burning.
3, low toxin:
The insulation and sheath do not contain lead, cadmium and other harmful heavy metals, and will not pollute the soil and water source when the cable is used and discarded. And after harsh toxicity experiments, the rats were safe and sound under the prescribed experimental conditions.
4. No corrosive gas:
Using a new type of special covering material that is non-polluting to the environment, no HCL and other gases will be produced during production, use and combustion, and the acid gas emission is very small, which is less harmful to personnel, equipment and instruments, and is more environmentally friendly.
5. Waterproof and UV protection:
The use of special molecular structure of green materials to ensure ultra-low water absorption. Special UV absorber, so that the product has a good anti-ultraviolet function. It ensures the safety of the use of such products and prolongs the service life. The name of "environmental protection cable" was first initiated by a company in Japan. Its product standard is FN(Ecomaterial) ecological cable standard. In western countries, Britain has also formulated advanced environmental protection cable standard requirements, which gradually spread to the whole world.
6. High light transmittance:
The smoke produced by the burning of the cable is extremely thin, which is conducive to the evacuation of personnel and the fire fighting. The light transmittance of the product is greater than 40%, which is much higher than the standard that the light transmittance of the traditional flame retardant cable is less than 20%.
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