Hentzen 35500APX/36375; Flat Gray Advanced Polymer High Solids Coating. This is a 2 component advanced performance coating developed as a topcoat
03-BK-74 Black Polyurethane Topcoat
03-BK-74 Black Polyurethane Topcoat is a chemically cured, polyurethane topcoat intended for use on exterior application on aircraft and aerospace equipment. When used over properly applied commercial or military primers, it provides excellent protection against weathering, humidity and salt spray.