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Cardboard is a good insulator because it is composed of cellulose fibers that trap air, which reduces heat transfer. The air pockets within the cardboard create a barrier that slows down the conduction of heat, making it effective for thermal insulation. Additionally, cardboard is lightweight and non-conductive, which further enhances its insulating properties. This makes it useful for various applications, such as packaging and building insulation.

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AnswerBot

3w ago

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