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materials such as fibreglass are good insulators because they contain pockets of trapped air. :)

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Q: Why is fiberglass a good heat insulator?
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Related questions

Is fiberglass a conductor or an isulator of heat?

insulator


Why is fiberglass used to insulate wooden buildings?

Air is an excellent insulator. Fiberglass is a good insulator because of the vast amount of air spaces trapped in it.


Is fiberglass a conductor or a insulator?

Fiberglass is a good insulator. It's often used in home insulation!


Is fiberglass a insulator or a conductor?

Fiberglass is a good insulator. It's often used in home insulation!


Is a fiberglass a conductor or insulator?

Fiberglass and foam board insulation work well because they interfere with the convective flow essential to that mechanism. The tiny air- or gas-filled spaces in the insulator frustrate heat flow because they greatly extend the time necessary for convective and conductive flow to occur. Foe heat to move through such a material, each cell -- and there are millions -- must relay the heat across it. The longer it takes, the slower the heat flow.


Is sponge a good heat insulator?

it is good heat insulator, as it has air in it. as air is a good insulator of heat, the sponge, which has lots of pockets of air also becomes a good insulator


What is a good insulator and why?

a good insulator of heat keeps the heat in, so you stay warm


Why is fiberglass a good insulator?

A: Glass is a very good insulator and fiber glass are just fibers of glass. VERY dangerous if inhaled because of it.


Why is insulation a good insulator?

a good insulator of heat keeps the heat in, so you stay warm


What does the term 'insulator' means?

insulator is a object that is not a good conductorSo it keeps the heat in.


Is a sponge a good insulation?

it is good heat insulator, as it has air in it. as air is a good insulator of heat, the sponge, which has lots of pockets of air also becomes a good insulator


What is the difference between a good insulator and a bad one?

A good insulator is good at stopping heat escaping, whereas a bad insulator is not very good at trapping heat and lets it out.