Question
What for the following abbreviations stand;
(i) PVC
(ii) PTFE
(iii) PMMA.
Solution
(i) Polyvinyl chloride
(ii) Polytetrafluoro-ethylene
(iii) Polymethyl methacrylate.
(ii) Polytetrafluoro-ethylene
(iii) Polymethyl methacrylate.