Question

bakelite and melamine can maintain their shape and size even at very high temperature give reasons​

Answer 1

Because they are thermosetting they are good conductor of heat

Answer 2

Answer:

Explanation:

There are two types of plastic. One is thermosetting plastic and the other is thermoplastic. Thermosetting plastics cannot be reformed further once is heated and cast and set in the desired form.

But can remain in its shape to withstand high temperature.Whereas thermoplastics can be reheated and recast repeatedly. Due Bakelite being a  thermosetting category of plastic they can maintain their shape at a high temperature.