Which of the following is not the commercial name of poly-methyl-methacrylate (PMMA) ?
Correct answer: D. Teflon
- A. Perspex
- B. Lucite
- C. Plexiglass
- D. Teflon
Explanation
Perspex, Lucite and Plexiglas are trade names for PMMA. Teflon is the commercial name associated with polytetrafluoroethylene, or PTFE, not PMMA.
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