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06/04/1938 Teflon is invented

New chlorofluorocarbon refrigerant, the tetrafluoroethylene gas in its pressure bottle stopped flowing before the bottle's weight had dropped to the point signaling "empty". Since Plunkett was measuring the amount of gas used by weighing the bottle, he became curious as to the source of the weight, and finally resorted to sawing the bottle apart. He found the bottle's interior coated with a waxy white material that was oddly slippery.


  • Essentials 

  • Polytetrafluoroethylene 

  • History 

  • Properties 

  • Applications and uses 

  • Safety 

  • Similar polymers