Electrical insulation paper

Electrical insulation papers are specific types of paper that are used as electrical insulation. They are used in many applications due to the outstanding electrical properties of pure cellulose. Cellulose is a good insulator and is also polar, having a relative permittivity significantly greater than 1. Electrical paper products are classified by their thickness, with tissue considered papers less than 1.5 mils (0.0381 mm) thickness, and board considered more than 20 mils (0.508 mm) thickness.

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