teflon/ptfe insulator

 1:   surface

             A.    flat and tidy

             B.    no defects

             C.    no spots

 2:   chemical property

               A. against resistance

                B.  high pressure

                 C.  oil resistance

                 D.  anti-corrosin

  3:   Usage

               A.   electrical insulation parts 

                B.   connector accessaries

                C.   corrosive fluid conduit

 4:    Technical Data