Foam fire extinguishers are categorized by their ingredients and application ranges.Protein Foam Fire Extinguisher, Fluoroprotein Foam Fire Extinguisher, Water-Forming Film Foam Fire ExtinguisherMultiple categories, tailored to address different fire situations. Protein foam extinguishing agent boasts strong stability and excellent burn resistance, suitable for extinguishing large oil storage tank fires; Fluoroprotein foam extinguishing agent has excellent fluidity, quickly penetrating oil surfaces to extinguish fire sources, ideal for oilfield, ship, and other mobile oil fire scenarios; Water-forming foam extinguishing agent forms a dense film on the oil surface, suppressing vapor re-ignition of oil products, widely used in extinguishing fires in precision instruments, switchgear rooms, etc. Moreover, foam extinguishing agents can be used in conjunction with dry powder extinguishing agents to combat composite fires, fully meeting the fire protection needs of various industrial and civilian applications.