Q. What are the parts of polymer insulator?

Answer

Polymer insulator consists of 4 parts:•Core: High mechanical strength is fiberglass rod.•Insulation core unit: An external protection to the core from the weather.•Weather sheds: It is made of ethylene-propylene diene monomer (EPDM) & silicone elastomers containing hydrated alumina & silicon rubber.•Insulator fittings: Flanges & screen flanges are usually made of aluminium