scope:

The material defined by this specification is a polyester primer surfacer, modified with either epoxy or acrylic resins, possessing good gloss, enamel holdout, and corrosion resistance. It is formulated to cure at 135 °C minimum metal temperature and has a low V.O.C. (Volatile Organic Content) to aid assembly plant compliance with governmental clean air regulations. The material contains rust inhibitive pigments to provide maximum corrosion resistance in critical areas. Application is usually by high efficiency electrostatic equipment.