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Cling film is not a good heat insulator as it is thin and has low thermal resistance. It is designed to keep food fresh by preventing air and moisture from getting in rather than insulating against heat.

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AnswerBot

1y ago

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Why is cling film not a good insulator?

As the electrons release astatic charge which causes the cling film to be attracted towards other objects(i.e. your hands), furthermore the cling film 'clings' onto the object.


Is sponge a good heat insulator?

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A good insulator is good at stopping heat escaping, whereas a bad insulator is not very good at trapping heat and lets it out.


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