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Question

Which of the following statement is true about thermosetting plastic?
  1. It undergoes irreversible change during curing
  2. It can melt and take shape only once
  3. It cannot be recycled
  4. All of above

A
It undergoes irreversible change during curing
B
It cannot be recycled
C
All of above
D
It can melt and take shape only once
Solution
Verified by Toppr

Thermosetting plastics contain polymers that cross-link together during the curing process to form an irreversible chemical bond. It can't be recycled. The cross-linking process eliminates the risk of the product remelting when heat is applied, making thermosetting ideal for high-heat applications such as electronic appliances.

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