Question

materials which do not allow heat to flow through it is an

Answer 1

Insulators is the right answer

Answer 2

One type of metal, copper, is most often used for electrical wires since it is very easy to bend and is inexpensive to mine and to produce wire from it. Materials that do not allow electricity to pass easily through them are called insulators. Rubber, glass, plastic, and cloth are poor conductors of electricity.