Question

what is thermosetting platic
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Answer 1

Answer:

it is a kind of plastic that can be softened by heating only once. once they are put into a mould and allowed to harden on cooling the cannot be soft again and again on heating for example bakelite and melamine. they can maintain their shape and size even at very high temperatures.

Explanation:

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Answer 2

Answer:

Explanation:

*Thermosetting plastics are synthesized by condensation polymerization.

*Thermosetting Plastic is processed by compression moulding, reaction injection moulding.

*Thermosetting plastics have primary bonds between molecular chains and held together by strong cross-links.

*Thermosetting plastics have high melting points and tensile strength.

*Thermosetting Plastic is high in molecular weight.

Examples:

Vulcanized rubber ,Bakelite ,Polyurethane ,Epoxy resin ,Vinyl ester resin......