scope:

Light gray enamel covered by this specification is a finish coat suitable for use on equipment, furniture, machinery, and switchboard installations. The requirements for one color only are specified. However, the specification covers two classes of enamel which differ in 60 degree specular gloss, class 1, gloss, with an optimum reading of 75 and a range of 65 to 85, and class 2, semi-gloss, with an optimum of 25 and a range of 20 to 35. Type I is for maintenance and touch-up use and is ready for brush application as received; it requires an eight-hour drying period. Types II and III are primarily for use by manufacturers. Type II provides a fast (about one hour) air-drying enamel. Type is for a fast, low temperature baking enamel, only Type I, medium air-drying maintenance enamel is specified in ready-to-use condition, and will not require thinning. The other types of enamels will require thinning. The other types of enamels will require thinning as necessary to accommodate them to the processes and equipment used by the manufacturer.