Question

ix.
Identify Thermoplastic and
Thermosetting Plastics
Plastics from the
following
1. PET
2. Urea formaldehyde resin
3. Polythene
4. Phenol formaldehyde

Answer 1

Answer:Thermosetting Plastics are polymer material or substances which are malleable at low temperature and became hard at higher temperature. ☺broke while bending. ☺ these plastics molded ones and can be softened by heating. ☺ bakelite and melamine are some examples of thermosetting plastics..

Explanation:

Answer 2

Answer:

PET, Polythene are thermoplastic and Urea formaldehyde resin,Phenol formaldehyde are

Thermosetting Plastics