Plastics are a good electrical insulators because they are insulators. Electricity could not pass through them unlike copper. Another good example of insulators is rubber.
There are a number of materials that make good thermal insulators. Blankets and pockets of air make good thermal insulators for example.
plastic, paper, wood, cardboard, and rubber are all good insulators
diapers are good insulators because they hold in the cold and and heat but is a bad conductor
spongespaper towelglassduck tapesawdustmetals...these are excellent insulators.....
No, shiny surfaces are not good insulators. Shiny surfaces are reflective and do not support the absorption and retention of heat, which is a characteristic of good insulators. Good insulators are materials with low thermal conductivity that trap heat effectively.
They are called insulators. Rubber is an example of a good electrical insulator.More:PlasticGlassAirWoodCeramicPorcelainPaperVarnishMineral OilSlateMarblePolyethyleneSiliconePVCKaptonTeflon
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The rails are good conductors The wooden ties they rest on are insulators