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No, it is not. Metals conduct heat much better than most plastics.

However, if the metal is used as a reflector of radiated heat, it will insulate better than plastic would.

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14y ago
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8y ago

Yes. Plastic is a better insulator of both heat and electricity.

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Q: Is plastic a better insulator than metal?
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Is plastic a better insulator then rubber shoes?

I think No, plastic is not a better insulator even compared to rubber shoes...Another AnswerYour question is a little like asking, "Is metal a better conductor than a electrolyte?". The reason for this is that there are lots of different types of plastic and various types of rubber. Without knowing exactly which sort of plastic, and what type of rubber, there is no way of knowing which is the better insulator.

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