its cold when wet! its cold when wet!
Thermal insulators have insulating capabilities. This means that they do not have any aspect that allows them to conduct thermal energy.
There are a number of materials that make good thermal insulators. Blankets and pockets of air make good thermal insulators for example.
Thermodynamic Insulators
Thermodynamic Insulators
A thermal insulator slows or stops the passage of heat through it.
The opposite would be thermal conductors, as are used on cooling radiators.
thermal insulator
yes
Metals are conductors, not insulators. Both electrical and thermal conductors.
If they are dry they would act as insulators.
All overhead insulators are tested dry condition and wet condition with 5 KV megger. In wet condition you have to spray water and take the reading. If there may be crack which is not visible then in this test you can get that fault.