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Which of the following thermoplastic is corrosion-resistant to all environments up to 550°F?(a) Polyvinyl chloride(b) Polystyrene(c) Teflon(d) PolyethyleneThis question was posed to me during an interview for a job.My query is from Materials topic in division Materials of Corrosion Engineering

Answer»

Correct answer is (c) Teflon

Best explanation: Teflon is ONE of the FLUOROCARBONS which is REGARDED as noble metals of plastics. It is corrosion-resistant to practically all environments up to 550°F. The MONOMER of Teflon is denoted as CF2=CF2.



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