GMNA 9984094 PDF

1 Scope This specification covers the requirements for medium build, waterborne cathodic electrodeposition primers for use on vehicle bodies, sheet metal and parts. This primer provides a smooth, corrosion resistant, adhesion promoting coating over metallic substrates that may or may not be subsequently topcoated. 1.1 Medium build cathodic electrocoat must be used in conjunction with U.V. resistant primer surfacer in any application or body structure areas that are exposed to sunlight.