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Which of the following is not a thermosetting plastic?(a) Dacron(b) Bakelite(c) Polystyrene(d) PolyesterThis question was posed to me in my homework.The above asked question is from Materials topic in chapter Materials of Corrosion Engineering |
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Answer» RIGHT answer is (c) POLYSTYRENE Easiest explanation: Thermosetting plastic is a plastic that hardens on heating and RETAINS HARDNESS on cooling. Dacron, Bakelite, and Polyester are examples of thermosetting plastics whereas Polystyrene is the EXAMPLE of thermoplastics. |
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