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If the Stainless Steel cup has no insulation the Styrofoam cup will keep it warm longer.
Styrofoam is an excellent insulator.
Styrofoam cups because of what they are made up of
It is the Styrofoam cup as it is not a good conductor of heat but the metal cup is a good conductor of heat.
Styrofoam cups are generally the best at keeping hot drinks warm for a longer period of time. This is because Styrofoam is an excellent insulator, meaning it does not conduct heat well and therefore helps to keep the temperature of the drink constant. Paper cups and plastic cups are also decent insulators, but they are not as effective as Styrofoam. Glass cups are poor insulators and are not recommended for keeping hot drinks warm.
Styrofoam because it has a thick layer and is a good insulator.Paper and plastic are could alternatives but Styrofoam would work better, therefore glass would be the worst one to use because it would only keep it warm for a couple of minutes.
Styrofoam cups will keep a hot drink warmer for a long time. Insulated cups will also keep your drink warmer longer.
Styrofoam
thermos cup
styrofoam stupid
styrofoam
no it do not keep it longer