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Polymer Long Rod Insulators

polymer insulator is used at transmission and distribution lines, substations and electrical equipment devices. We can offer best price and top quality of polymer insulators in China.

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Product Details

1.Technical data of Polymer Long Rod Insulators


Rated voltage


Rated mechanical tension load


Structure height


Min nominal creepage distance


1min power frequency wet withstand voltage (kV)

Full wave lightning impulse withstand voltage peak value (kV)








 Polymer Long Rod Insulators

2.Materials of Polymer Long Rod Insulators

1). Hot dip galvanized cast steel for Polymer Long Rod Insulators metal fittings.

2). Light weight (65-80% less than ceramic/porcelain insulator).

3). IEC61109 or IEC61952 or ANSI or GB standard.

4). Each polymer long rod insulators is tested before shipment.

5). Zero accident for Europe utilities like Greece, Spain for more than 500,000pcs.

6). Ease of installation (easier handling with lighter equipment and labour at the job site).


3.Company advantage: 

1).top quality and competitive price than other manufactures.

2). Famous and top brand in Zhejiang.

3). 18 Years manufacturing and exporting experience.

4). ISO9001 and ISO14001 and third party support and assurance from Europe.

5). Almost 20 years experience with polymer insulators.

6). Flexible production organization and short production cycle.

7). Reasonable equipment configuration and stable equipment.

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