Question

Which of the following is not a thermoplastic?
(a) PVC
(b) Polythene
(c) Melamine
(d) Teflon

Answer 1

Answer:

(C) Melamine is not a thermoplastic

Answer 2

Melamine is not a thermoplastic

Explanation:

Thermoplastics are substances that become plastic upon heating, then hardens upon cooling. The material can undergo this process repeatedly.

Melamine, though a plastic, is not a thermoplastic as it cannot undergo the process repeatedly. Melamine is the name of the chemical as well as the plastic made from it. It is used in the production of adhesives, dinnerware,  laminates, molding compounds, flame retardants and coatings.