- 2080 Bhadra · 1 mark
Define thermosetting plastic
Short answer
A thermosetting plastic hardens permanently upon first heating and moulding due to cross-linking of polymer chains, and cannot be remelted or reshaped; it chars if overheated. Examples include Bakelite, melamine, epoxy, and polyester resin.
Define thermosetting plastic.
A thermosetting plastic is a plastic that becomes hard and permanently rigid on the first heating and moulding because of cross-linking of its polymer chains. It cannot be softened or reshaped by heating again and burns or chars if overheated. Examples: Bakelite, melamine formaldehyde, urea formaldehyde, epoxy resin and polyester resin.
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