GuangDong Advanced Thermoplastic Polymer Technology Co., Ltd.
GuangDong Advanced Thermoplastic Polymer Technology Co., Ltd.
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What Is Cross Linked Polyethylene?

1. Cross Linked Polyethylene Overview

Polyethylene (PE) crosslinking technology is one of the important means to improve its material properties. Adopted advanced techniques from the professional polymer compound manufacturer, it can greatly improve the cross linked polyethylene mechanical properties of PE, which not only significantly improves the comprehensive properties of PE, such as mechanical properties, environmental stress cracking resistance, chemical corrosion resistance, creep resistance, and electrical properties, but also significantly improves the temperature resistance grade, which can increase the heat resistance temperature of PE from 70 ℃ to more than 100 ℃, thus greatly broadening the application field of PE.

Crosslinked polyethylene insulation refers to the crosslinking of polyethylene between its macromolecules under the action of high-energy rays or crosslinking agents, so as to improve its heat resistance and other properties. The long-term working temperature of the cable insulated with cross-linked polyethylene can be increased to 90 ℃, and the instantaneous short-circuit temperature it can withstand can reach

170-250℃。


2. The Advantage of Cross Linked Polyethylene

Cross-linked polyethylene has the following advantages:

Heat resistance: XLPE with reticular three-dimensional cross linked polyethylene structure has very excellent heat resistance. It will not decompose and carbonize below 200 ℃, the long-term working temperature can reach 90 ℃, and the thermal life can reach 40 years.

Insulation performance: XLPE maintains the original good insulation characteristics of PE, and the insulation resistance is further increased. The dielectric loss tangent is very small and is not affected by temperature.

Mechanical cross linked polyethylene mechanical properties properties: due to the establishment of new chemical bonds between macromolecules, the hardness, stiffness, wear resistance and impact resistance of XLPE are improved, which makes up for the defect that PE is easy to crack under environmental stress.

Chemical resistance: XLPE has strong acid, alkali, and oil resistance. Its combustion products are mainly water and carbon dioxide, which is less harmful to the environment and meets the requirements of modern fire safety.


What Is Cross Linked Polyethylene?

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