What is a Polymer Insulator?
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What is a Polymer Insulator?
Polymer Insulator Definition
The Polymer Insulator consists of two parts, one is a glass fiber reinforced epoxy resin rod-like core, and the other is a windproof canopy made of silicone rubber.
Polymer Insulator Advantages
Very lightweight
As the composite insulator is flexible the chance of breakage becomes minimum.
Lighter in weigh
Smaller in size
Performance is better
Polymer Insulator Disadvantages
Moisture may enter in the core if there is any unwanted gap between core and weather sheds. This may cause the electrical failure of the insulator.
Over crimping in end fittings may result in cracks in the core which leads to mechanical failure of polymer insulator.
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