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It Isn't. At least, not in Solid form.
Plastic sprayed into a closed-cell foam, though, is an excellent insulator. Each "capsule" of gas or air is separated from each other by a miniscule cobvering of plastic; slowing heat transfer. Newer refrigerators have the foam sprayed in to fill all crevices.
The R-value will give you its efficiency: R-34 is twice as good as R-17, etc.
What else can I help you with?
Is a plastic spatula a thermal conductor or a thermal insulator?
A plastic spatula is a thermal insulator, meaning it does not easily conduct heat. This is because plastic is a poor conductor of heat compared to materials like metal.
Is acrylic a good thermal insulator?
No, acrylic is not a good thermal insulator. It has low thermal resistance and can allow heat to transfer easily.
Is acrylic a good electrical and thermal insulater?
Acrylic is not a good electrical insulator because it is a conductor of electricity. However, it can be a good thermal insulator as it has low thermal conductivity.
Is plastic conductor or insulator?
Plastic is an insulator.
Is a plastic comb a conductor or insulator?
Plastic is generally an insulator, so a plastic comb cannot carry energy.
Is plastic a thermal insulator?
yes
Is plasticine a conductor or insulator?
Plastic is an electrical and thermal insulator.
Is a plastic spatula a thermal conductor or a thermal insulator?
A plastic spatula is a thermal insulator, meaning it does not easily conduct heat. This is because plastic is a poor conductor of heat compared to materials like metal.
An example of a insulator?
An insulator has several different meanings. The two most common are an electrical insulator and a thermal insulator. an electrical insulator would be polyethylene. a thermal insulator would be wool.
Is acrylic a good thermal insulator?
No, acrylic is not a good thermal insulator. It has low thermal resistance and can allow heat to transfer easily.
Is plastic an insulator?
yes plastic is very good insulator
Is air an insulator of electricity?
Is air a thermal insulator or thermal conductor? Read more:Is_air_a_thermal_insulator_or_thermal_conductor
Is wood and plastic an thermal insulator?
No. Wood and plastic are two materials, not one.They can be insulators, or a composite made from wood and plastic could be an insulator but THEY cannot be ANinsulator.
Is glass a thermal condutor or insulator?
insulator. it is not a very good insulator though.
Is acrylic a good electrical and thermal insulater?
Acrylic is not a good electrical insulator because it is a conductor of electricity. However, it can be a good thermal insulator as it has low thermal conductivity.
What is a very good thermal insulator?
oxygen.is the best insulator
What material is the worst conductor of heat?
the worst conductors of heat are wood, plastic, rubber, and cloth.
