What Makes Paper a Good Cup Insulator? Paper makes a good cup insulator because it is able to reduce the conduction, convection and radiation of heat, according to the Illinois Physics Van of the University of Illinois. All three processes help prevent heat from passing through a cup.Click to see full answer. Also to know is, is newspaper a good insulator of cold?Newspaper is another good choice, although it is not as effective as felt. Newspaper works in the same way as the felt by acting as an insulator to the ice. Like the felt, the thickness of the newspaper will serve to keep the warm air out and the cold air in, so the ice cube will be able to last for a little while.Additionally, is black paper a good insulator? Bubble rap will probably be the second best insulator because its like double-glazing windows it has air between the plastic to prevent conduction and radiation. I think Black paper will be the worst insulator because its black and the heat will be absorbed and lost by radiation. Secondly, does newspaper make good insulation? Paper is both good insulator in terms of electricity (high electrical resistance) and in terms of heat (good thermal insulator). So, very low thermal conductivity (compared with other common materials) means paper is a very good thermal insulation material.Why is construction paper a good insulator?Construction paper is a better insulator of heat. It slows the transfer of heat from the cup to your hand. A good insulator resists the flow of heat. It keeps the heat from being easily transferred to another material.

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