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www.reference.com/article/materials-good-thermal-insulators-58c4e685559962d7

When insulating a home, fiberglass, polystyrene or cellulose are a few insulators that may be used. One material may appeal to you more than another depending on your personal desires.

www.reference.com/article/good-thermal-insulator-fdc24c4877037f83

To be a good thermal insulator, a material must be resistant to the conduction, convection and radiation of heat. A good insulator is made from an opaque, nonmetallic material without a crystalline structure, and its insulating properties may be enhanced by creating small air pockets inside its stru

www.reference.com/article/thermal-insulators-74f0d007a485d39f

The best thermal insulators include aerogel, fiberglass, mineral wool, polystyrene, polyurethane foam and cellulose. Other effective insulators include cotton, straw and animal wool. Each material excels in separate applications and environments.

www.reference.com/article/thermal-insulation-67eceb52ff4a7f58

Thermal insulation can be defined as the material or a combination of materials that retard the transfer of heat. Heat may be transmitted between materials by the process of convection, conduction or radiation. Insulators reduce the flow of heat.

www.reference.com/article/good-examples-thermal-insulators-22a1aa5d1bba42f0

Fiberglass insulation, Styrofoam and the down panels in winter jackets are all examples of strong thermal insulators that work to keep temperature consistent and retain internal heat while preventing temperature exchange. Thermal insulators work by trapping air, which does not conduct heat well or e

www.reference.com/science/materials-good-insulators-b06a490d0e37f88b

Good insulators are materials that do not allow heat to pass through them. They are also materials that either slow down or do not allow transfer of electricity through them.

www.reference.com/article/material-insulator-4aa65b8deb5e2cb3

The best material that serves as an insulator is glass because of its high resistivity, states Georgia State University or GSU. The photons present in glass do not have enough energy to close the gap between the valence electrons and the conduction band.

www.reference.com/article/insulated-materials-58b41a37c0d18a7b

Insulating materials reduce the heat flow in a home, which allows the air a cooling or heating system produces to stay inside, and protect a home from external temperatures. Insulating materials are given R-values based on their insulating effectiveness; the higher the R-value, the more effective th

www.reference.com/world-view/materials-good-cold-insulators-2131e9062bcbb7d6

The best cold insulation materials are those that poor conductors of heat. Materials such as glass, plastic, polystyrene and fiberglass are poor conductors of heat and are therefore effective as insulation. Materials that are good conductors of heat, such as metals, are poor insulators.

www.reference.com/article/good-insulators-90b0426eb483fbbf

Oil, fur, silk, wool, rubber, glass, plastic, wood, paper, wax and ebonite are good insulators. Insulators are substances with tightly bound outer electrons and heavily resist the flow of electrons. Most nonmetals are classified as insulators.