Protein foam concentrates adopts the hydrolysis concentrated solution of animal protein as the basic material, and contains appropriate additives for foaming consisting of stabilizers, anti-corrosive agent and antifreeze agent, etc. It is widely used in petrochemical company, oilfield, oil depot, oil delivery ports, ships and fire companies. It can be mixed with water in the proportion of 3:97 or 6:94 in various low expansion foam production equipment to produce foams. It is mainly used for extinguishing fires of water soluble (oil) flammable and inflammable liquids, and may also be used to extinguish fires of solid substances.

The extinguishing agent shall be sealed and kept at a cool, well-ventilated and dry place with the ambient temperature between -5℃~40℃. The shelf life is 2 years.