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Is air or fiberglass a better insulator?
i hope air is better than fibre glass
Air is a better insulator than fiberglass batting?
Fiberglass insulation is better than air, but closed cell foam is better.
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.
Why is a rag a better conductor of heat when wet than when dry?
A dry rag has quite a bit of air trapped in its structure, and air is an insulator of heat. Replace the air with water, which conducts heat much better than air does, and the heat conductivity will be greatly increased.
What makes a paper cup a good insulator?
A paper cup is not the best insulator. A better insulated cup is the foam cup. However, it is better insulated than other materials such as a metal canteen, due the the heat capacities of the materials. Putting two paper cups to together acts as a decent insulator due to the air between the two cups. This is due the to air being a poor conductor of heat.
Which is the best insulator thermocol or air or cotton or aluminium?
Air is better than thermocol as insulator. .....
Is air or fiberglass a better insulator?
i hope air is better than fibre glass
Air is a better insulator than fiberglass batting?
Fiberglass insulation is better than air, but closed cell foam is better.
How are porous materials used as thermal insulators?
actually the insulator is the dead air in the pores a better insulator is vacuum (only radiation) air has conduction convection and radiation air is easier to handle near sea level
How does plastic act as a heat insulator?
For practical purposes, air is an excellent thermal insulator. So any material with lots of entrained air (and through which the air cannot freely pass) will be a good thermal insulator. The remaining conduction path through the material is along the filmy walls of the bubbles, and this path will be long and of small cross-section. A vacuum is of course a better thermal insulator, but there are practical difficulties in making a foam of vacuum bubbles. And there are some materials (some CFC gases) which are better thermal insulators than air, but once again there are difficulties in keeping these gases entrained in the foam bubbles.
Is air or metal is a better insulator?
Air
What is the scientific principle of making thermos flask?
thermos flask actually works on the principle of insulator. air is trapped between 2 walls of the flask. air being a bad conductor of heat traps it between the walls. this keeps the material in the flask hot for a longer period.add. Actually, usually there is a vacuum between the two walls of the flask, for this is a better insulator than air. hence the name 'vacuum flask'.
Why does a double glass window have argon?
Because argon is a better insulator than air
Why is snow a better insulator than ice?
Snow has many tiny air pockets, and air pockets are great insulators.
Is wood a better insulator than glass?
No. Wood has more air in it than glass, and air is pretty much accepted to be one of the best insulators ever.
Why is air a better insulator than solids?
.air you can breath and if there was no air there would be no things that live out of sea
How the thermos flask prevents heat loss by conduction?
There is a dead air space between the liner of the thermos and the outside. This space acts as insulation preventing conduction. In a really good thermos, or Dewar flask, the space is actually a vacuum. Vacuum is an even better insulator than air is, since heat doesn't conduct across a vacuum at all.
