Styrofoam is an excellent insulator.
Usually food it packed in Styrofoam to keep it cold (or warm)
Styrofoam is a better insulator of heat than plastic. The plastic allows the heat in and out and the cold in and out. The Styrofoam helps keep the heat in.
styrofoam is an insulator. It only works if thematerial stored is already cold.
styrofoam cups keep you beverages hot or cold because they are awesome
Styrofoam is used to keep drinks cold or warm.
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Styrofoam
To keep cold food cold or hot food hot. Styrofoam is very good insulation.
Styrofoam cups because of what they are made up of
To keep cold food cold or hot food hot. Styrofoam is very good insulation.
styrofoam