Which of the following are characteristics
Question:

Which of the following are characteristics of thermosetting polymers?

(i) Heavily branched cross-linked polymers.

(ii) Linear slightly branched long-chain molecules.

(iii) Become infusible on moulding so cannot be reused.

(iv) Soften on heating and harden on cooling, can be reused.

Solution:

Option (i) Heavily branched cross-linked polymers and (iii)  Become infusible on moulding so cannot be reused are the answers.

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