Cable manufacturers provide a detailed explanation of the advantages of XLPE cables for you
XLPE insulated cable is a type of cable suitable for distribution networks and other fields.Compared with traditional PVC insulated cables, XLPE cables have a simple structure, light weight, good heat resistance, strong load capacity, non melting, chemical corrosion resistance, and high mechanical strength. It is precisely because of these advantages that they have become the preferred cable model for many project projects.
XLPE insulated cables use peroxide crosslinking method to transform the polyethylene molecules inside from linear molecular structure to three-dimensional network structure, and from thermoplastic material to thermosetting material. The working temperature is also increased from 70 ℃ to 90 ℃, which significantly improves the current carrying capacity of the cable. In summary, XLPE cables have the following advantages:
1. Good heat resistance, XLPE with a three-dimensional network structure has excellent heat resistance. It can withstand temperatures below 300 ℃ without decomposition and carbonization, with a thermal life of up to 40 years and a long-term working temperature of up to 90 ℃.
2. Good insulation performance, XLPE maintains the original good insulation characteristics of polyethylene, and the insulation resistance further increases; However, the tangent value of the dielectric loss angle is very small and is not significantly affected by temperature.
3. The mechanical properties are good, and due to the establishment of new chemical bonds between macromolecules, the hardness, stiffness, wear resistance, and impact resistance of cross-linked polyethylene have been improved, thus compensating for the disadvantage of polyethylene being prone to cracking under environmental stress.
4. Good chemical resistance, cross-linked polyethylene has strong acid and alkali resistance and oil resistance. Its combustion products are mainly water and carbon dioxide, which have less harm to the environment and can meet the requirements of modern fire safety.
XLPE cables are used in power distribution networks, industrial plants, or other areas that require high capacity electricity consumption. Cable manufacturers remind you that when choosing cable products, it is important to identify reputable manufacturers and not choose substandard cable products for the sake of affordability.
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