In the late 1950s, Dr. George Brewer of Ford Motor Co. conducted research on anodic electrodeposition of primers for automobiles. Ford actually started to use anodic electrodeposition primers on some automobiles in the early 1960s.
The electrocoat finish is applied by dipping the parts into a tank filled with electrocoat solution, composed primarily of a resin, pigment paste and deionized water. The deposition of the coating material is the result of a series of electrochemical reactions. The cured coating film is thin but very durable and corrosion resistant. Because it is an immersion process, the coverage is extremely good with coating penetrating into recesses and areas that are very difficult to cover with spray coatings.