Dip coating, a ubiquitous process in modern materials science and engineering, involves immersing a solid substrate into a liquid and then withdrawing it at a controlled speed to form a coherent film.

Polytetrafluoroethylene (PTFE) is an extremely popular and abundantly useful fluoropolymer. PTFE has been with ZEUS since the 1930s when it was accidently developed by Technicians working for DuPont.