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How is PTFE Rod manufactured:
PTFE is produced by directly replacing hydrogen atoms to polyethylene with fluorine and using fluorine with polyethylene gas at 20°C. PTFE is also made by emulsion polymerisation of the tetrafluoroethylene polymer and with high pressure.

The History for PTFE Rod:
It is thought that Mr Roy Plunkett discovered PTFE quite by accident back in the 1930's. Mr Plunkett was said to be looking to discover a new refridgerant and the word "serendipety" has often been used to describe its discovery.

Mr Plunket was working for a huge company in the USA and later on, DUPONT name the material Teflon® which is a name most people know it as today. Teflon® has been used on some amazing applications from high specification clothing to non-stick cookery ware and with further developments we will still see the expansion of it's applications.