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  HDPE insulator, HDPE pin type insulator
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  66kV silicone polymeric composite post insulator
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  Composite post insulator
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  High strength light weight fiberglass rod
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  Materials of the composite long rod insulator
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  Composite Insulator Core Rod

Post insulator specifications are production insulators reference for insulator factory, supplier or buyers. International standards are the basic reference for insulators

In the worldwide, international specifications are commonly IEC or ANSI standards. But there are many post insulator specifications for every country.
◆ GB/T, JB/T, DL/T, CNS, SD, CNS - China post insulator specifications
◆ NF - French national standards
◆ BS EN - English national standards
◆ DIN EN, DIN VDE- German industrial standard
◆ JIS- Japanese industrial standards
◆ DS EN - Danish and European standards
◆ AS - Australian Standard
◆ SAE - Society of Automotive Engineers in America
◆ LST EN – Lithuania standards
◆ IEEE - Institute of Electrical and Electronics Engineers

Post insulator is one main of electrical insulators used in substations and stations for supporting and insulating made from porcelain and polymer materials.

Each type post insulator is manufactured, designed and tested in accordance with different post insulator specifications. Such as
◆ GB/T 1000.2-1988: pin insulators of ceramic material for high voltage
◆ JB/T 9678-2012: steel pins of cap and pin insulators
◆ IEC 60507-2013: artificial pollution tests on high-voltage etc.

Post insulator specifications have IEC 273 specifications and ANSI C29.9 standards including insulator performance and properties etc.

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