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The water film-forming foam fire extinguishing agent is based on hydrocarbon surfactant and fluorocarbon surfactant and can form a water film on the surface of some hydrocarbon liquids. It is suitable for extinguishing fire caused by water-soluble liquid fuel. What are the characteristics of this product? Let's take a look with the editor. During the fire extinguishing process of this product, the water from the foam chromatography can form a water film on the surface of the fuel to separate it from contact with the air and have fluidity to quickly overwhelm the fire and extinguish the fire. At the same time it has the advantages of longer sealing performance and resistance to flame back burn. The water film produced by the water film-forming foam extinguishing agent is due to the fact that it contains fluorocarbon surfactants, which can reduce the surface tension of the foam solution and make it float on the fuel surface. The effectiveness of the water film is directly related to ...