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composite insulator rod

The glass fibre reinforced resin rod is an important component of a composite insulator. The composite insulator rod is typically produced in a continuous pultrusion process.

composite insulator

Different diameters are available depending on the application. The content of fibres determines the specific intrinsic tensile and bending strength of the composite insulator rod.

The glass sizing is important for the bond to the resin matrix. The resin matrix itself must be “electrically graded”, characterized by low moisture absorption and by negligible change of electrical and mechanical properties. The resin elongation must be balanced with the glass elongation to prevent cracks and fractures when being subjected to loadings. Typically, Epoxy-based resins are used today.

Fillers are used for different purposes, which gives the composite insulator rod a transparent or opaque appearance. When the raw materials are carefully checked, process parameters are accurately selected and routine checks are determined using statistics, both types of rod offer excellent and reliable performance.

More detailed info about composite insulator rod please contact Orient Power or visit Orient Power website.


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Orient Power is a pin insulator manufacturer of porcelain pin type insulator and composite pin insulators.