Consider the following statements:
Polytetrafluoroethene is
1. A thermoplastic material
2. Having high friction coefficient
3. A thermosetting material
4. Having low friction coefficient
5. An electric insulator
6. Non sticking to surfaces
Which of the above statements are correct?
(a) 1,2 and 5 (b) 2,3 and 6
(c) 3, 4 and 5 (d) 3, 2 and 5