Aerial view of the big Yerkes plant, foreground, at Buffalo, New York where cellophane, polyethylene film, Teflon FEP-fluorocarbon film and Tedlar polyvinyl fluoride film are manufactured. At upper left is new unit for manufacture of Tedlar.
Bonded to building materials, DuPont's new 'Tedlar' PVF film gives them a useful, low maintenance outdoor life of many years without refinishing. Here, a DuPont salesman, right, check tests in Pre-Finish Metal plant in Chicago. In the building...