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Fire control industry
Fire control industry
- Categories:Solution
- Time of issue:2019-08-16 00:00:00
- Views:0
With the rapid development of industry, the frequency of fire caused by flammable liquid increases rapidly. Moreover, in the event of a fire caused by flammable liquid, it is difficult to extinguish the rapidly spreading fire with conventional foam extinguishing agents, therefore causing serious damages. Fluorosurfactant has an irreplaceable role in the development of fire extinguishing agent because of its unique and excellent performance. It is one of the indispensable main raw materials in aqueous film-forming fire extinguishing agent and water-based fire extinguishing agent. The fluorosurfactant produced by Chemours (formerly DuPont), of which SCM is the exclusive agent, currently has a market share of more than 70% in the domestic high-end fire extinguishing agent market, witnessing the highest share in the market.
The fluorosurfactant of Chemours sold by SCM not only has the advantages such as environmental friendliness, stability and high performance, but is also free from any toxic or hazardous substances (PFOA/PFOS) banned by the EU. All products contain C6 short carbon chain structure that which features faster degradation than C8 products in the atmosphere. With the increasingly demanding environmental protection requirements on fire-fighting products at home and abroad, SCM Capstone products will inevitably become the preferred formula for aqueous film-forming fire extinguishing agent and water-based fire extinguishing agents.
Application of aqueous film-forming fire extinguishing agent
The aqueous film-forming fire extinguishing agent is also called “light water” foam extinguishing agent. It consists of fluorocarbon surfactants, non-fluorinated surfactants (hydrocarbon surfactants or silicone surfactants), additives that improve foam performance (foam stabilizer, antifreeze, cosolvent, thickener, etc.) and water. It is categorized into 3% AFFF (3:97) and 6% AFFF (6:94) based on mixing ratio with water. The shelf life is 8 years.
How does the aqueous film-forming fire extinguishing agent work
After being mixed with the foam mixing device, the aqueous film-forming fire extinguishing agent, the generated foam runs through the foam generating and spraying device (foam generator or foam nozzle) and be sprayed on the burning oil. The water extracted from the foam can form a well-sealed water film on the surface of the fuel, and isolate the fuel from the air. Capable of distinguishing fire by forming foams and water film on the surface of oil, it can rapidly and efficiently distinguish oil-caused fires.
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