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25kv Post Composite Insulator

25KV post composite polymer insulator are used for high voltage stations, switchgears, load break switches, Disconnectors, etc. The polymer station post composite insulators consist of fiberglass rod of core, HTV silicone rubber housing and HDG metal fittings.

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Product Details

Technical data of 25KV post composite insulator


Rated voltage


Rated mechanical bending load


Structure height


Min nominal creepage distance


1min power frequency wet withstand voltage (kV)

Full wave lightning impulse withstand voltage peak value (kV)

FZ-25 / 5







 25KV post composite insulator

Material of 25KV post composite insulator advantage:

The 25KV post composite insulator core of polymer station composite post insulators is:
Fiberglass rod and epoxy resin from top supplier with famous brand.

The Metal Fittings of 25KV post composite insulator is:
Hot dip galvanized steel with 86 or 120μm thickness coating.

The housing of 25KV post composite insulator is:
HTV silicone rubber and the raw rubber is from best manufacturer which is listed company.


Gaoneng Composite Insulator's advantage:
◆ Famous and top brand in China.

◆ Good supply records: zero mistake.
◆ Strictly follows ISO 9001 and ISO14001 quality management.
◆ Extra long guarantee time.
◆ 5000hours aging test to assure material quality.

◆ The only 25KV post composite insulator manufacturer who can produce all materials.

◆ Always competitive price and top quality for all kinds of composite insulators in the world.

Production Facility:

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