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Why is Styrofoam a good heat insulator?

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Styrofoam is made mostly of air, which has excellent insulating properties. This allows styrofoam to trap warm air and prevent heat loss, making it a good insulator. read more

Styrofoam is a poor conductor, and the air pockets trapped inside the material keep heat energy from leaving. This is why Styrofoam products are popular for holding hot things like cups of coffee. The material does not conduct the heat from the beverage through to the hand in the same way that a metal or glass cup might. read more

Styrofoam is made mostly of air, meaning it is a poor conductor of heat, but an excellent convector. It traps the air in small pockets, blocking the flow of heat energy. This reduces both conduction and convection and makes Styrofoam a good insulator. read more

Styrofoam is a plastic product and it is known to contain a lot of air bubbles in it. Due to the presence of air bubbles, it is considered as intense conductor of heat. Normally a thermal insulator is a substance that will reduce the transfer of heat. read more

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