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Supply NHYJV 120-square medium-voltage cross-linked power cables produced by Guangdong Shuangli Cable Co., Ltd. NHYJV fire-resistant power cables
Guangdong Shuangli cross-linked polyethylene insulated cables use chemical or physical methods to transform the linear molecular structure of the polyethylene in the cable insulation into a three-dimensional network molecular structure. That is, the thermoplastic polyethylene is transformed into thermosetting cross-linked polyethylene, which greatly improves its heat resistance and mechanical properties, reduces its shrinkage, prevents it from melting after being heated, and maintains excellent electrical properties.
Shuangli cross-linked polyethylene insulated cables have four major properties:
1. Heat resistance: XLPE with a network three-dimensional structure has excellent heat resistance. It will not decompose or carbonize below 300℃, the long-term working temperature can reach 90℃, and the thermal life can reach 40 years.
2. Insulation performance: XLPE maintains the original good insulation characteristics of PE, and the insulation resistance is further increased. Its dielectric loss tangent value is very small and is not greatly affected by temperature.
3. Mechanical properties: Due to the establishment of new chemical bonds between macromolecules, the hardness, stiffness, wear resistance and impact resistance of XLPE are all improved, thus making up for the shortcoming that PE is prone to cracking due to environmental stress.
4. Chemical resistance: XLPE has strong resistance to acids, alkalis and oils. Its combustion products are mainly water and carbon dioxide, which cause less harm to the environment and meet the requirements of modern fire safety.
Guangdong Shuangli Cable is widely used in State Grid, China Southern Power Grid, power, transportation, urban construction and other fields. The products are sold well at home and abroad, deeply trusted by users, and have won unanimous recognition and praise from users and colleagues in the cable industry.
Thank you for your attention to Guangdong Shuangli Cable. Welcome to visit in person or call to order Shuangli cables and wires. With your participation, Shuangli Cable will develop better!
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