ABC Dry Chemical is a multipurpose extinguishing agent that is suitable for use on Class A, Class B and Class C fires. Typical Uses: Not recommended for use on sensitive electronic equipment or aircraft structure, ABC Dry Chemical is suitable for offices, classrooms, churches, parking garages, hotel/motel assembly halls, retail stores, light manufacturing facilities, research facilities, auto dealerships, vehicle, aircraft and marine service centers, and during manufacturing processes–such as painting, dipping, and coating. Call for Purchase & Service Inspections! Standard (BC) Dry Chemical is a sodium bicarbonate-based extinguishing agent that is suitable for use on Class B and Class C fires. Typical Uses: Not recommended for use on sensitive electronic equipment, Standard Dry Chemical is suitable for flammable liquid hazards in offices, classrooms, churches, parking garages, hotel/motel assembly halls, retail stores, light manufacturing facilities, research facilities, auto dealerships, vehicle, aircraft and marine service centers, and durning manufacturing processes–such as painting, dipping, and coating.