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Which material is use in composite pin insulator?

 Composite pin insulator is one main kind of electrical insulator used on distribution power lines, also called distribution line insulator and made from polymer materials.

composite pin insulator

Which material is use in composite pin insulator?
◆ Housing: made from silicone rubber or epoxy
◆ Weathersheds: made by silicone rubber or epoxy
◆ Core: made from fiberglass reinforce rod
◆ End fittings: made from stainless steel, iron, alloy, aluminum etc.

Composite pin insulator can also made from
◆ Housing and weathsheds: made from EPDM, ESP
◆ Core: ECR

With the economic developing, composite pin insulator is gradually replacing porcelain pin insulator used on medium voltage and low voltage power lines.

With the technology and scientist developing, new polymer materials will used for composite pin insulator.


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