Which
of the following is not thermoplastic material?
Polyethylene
Polyvinyl
chloride
Polystyrene
Polypropylene
Polyethylene
●A
thermoplastic is a plastic polymer material that becomes pliable or moldable at
a certain elevated temperature and solidifies upon cooling.
●Polyethylene
is not a thermoplastic.
Hence, the correct option is (A).
&Key Points:-
Thermoplastics
can be remolded and recycled without affecting material’s physical properties.
Some thermoplastic materials are nylon, polyvinyl chloride, polystyrene,
polypropylene etc.
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