Aqueous Film Forming Foam (AFFF) Firefighting Foam Concentrate
AFFF (Aqueous Film Forming Foam) is a high-performance synthetic firefighting foam designed for rapid suppression of Class B flammable liquid fires. It forms a fast-spreading aqueous film that seals the fuel surface, cools the fire area, and prevents re-ignition. Suitable for fixed and mobile fire protection systems in industrial and aviation applications.
Description
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Products Description

AFFF 3% Foam Concentrate
Aqueous Film Forming Foam, commonly known as AFFF, is an advanced synthetic fire suppressant composed of a specialized blend of hydrocarbon and fluorochemical surfactants. It is primarily distinguished by its physical action: the foam generates a delicate, consistent watery layer that glides quickly over the surface of hydrocarbon-based fuels.
By creating this aqueous barrier, the foam successfully blankets the liquid, trapping volatile vapors and lowering the temperature of the combustion site. This mechanism ensures the rapid knockdown of Class B hazards, including highly flammable liquids like petrol and diesel. Furthermore, AFFF provides superior protection against reignition (burn-back) and is highly versatile, integrated into both stationary installations and portable firefighting equipment.
Fire Extinguishing Mechanism
Aqueous Film Forming Foam (AFFF) suppresses combustion through a sophisticated, multi-action mechanism tailored for flammable liquid (Class B) emergencies.
Initially, the solution's minimal surface tension allows it to glide across hydrocarbon fuels, establishing a persistent liquid membrane beneath the foam structure. This aqueous layer acts as a physical barrier that isolates the fuel from the atmosphere, cutting off the oxygen supply necessary for combustion.
Furthermore, the foam mass serves as a vapor-tight seal, trapping hazardous gases to prevent them from fueling the flames. A key safety feature of AFFF is its durability: the protective film continues to shield the fuel even as the foam bubbles dissipate, offering exceptional protection against sudden re-ignition.
Finally, the water held within the foam matrix extracts thermal energy from the fuel. This cooling action brings the liquid's temperature down below its flash point. By simultaneously starving the fire of oxygen, suppressing volatile vapors, and absorbing heat, AFFF ensures a swift knockdown and stable control of intense pool fires or fuel spill incidents.
Key Product Advantages
Rapid Fire Knockdown
Forms an aqueous film instantly on the fuel surface, allowing fast flame suppression and minimizing fire spread.
Excellent Re-Ignition Resistance
The stable water film continues to suppress fuel vapor release even after foam breakdown, significantly reducing re-flash risk.
Triple Fire Suppression Action
Combines oxygen separation, vapor sealing, and cooling effects for efficient and long-lasting fire control.
Low Application Rate
Achieves effective extinguishment with reduced foam solution consumption, improving operational efficiency.
Flexible Mixing Capability
Compatible with fresh water and seawater at common concentration ratios of 1%, 3%, or 6%.
Wide System Compatibility
Suitable for use in fixed fire protection systems, mobile firefighting units, foam monitors, and fire extinguishers.
Environment-Conscious Formulation
Available with modern C6 fluorosurfactant technology, meeting current environmental and regulatory requirements.


Environmental & Safety Considerations
Environmentally Responsible Formulation
Modern AFFF formulations utilize C6 fluorosurfactant technology and are free from PFOS and PFOA, helping to meet current environmental regulations and sustainability requirements.
Reduced Environmental Impact
Efficient fire suppression with low application rates minimizes foam and water runoff, lowering potential soil and water contamination during firefighting operations.
Safe Handling and Use
Non-corrosive to common firefighting equipment materials and safe for use in properly designed foam proportioning systems when applied according to manufacturer instructions.
Controlled Storage Conditions
Recommended storage in sealed containers, in a dry and well-ventilated area below 40 °C, to maintain product stability and performance over its service life.
Compliance with Industry Standards
Designed to conform to relevant firefighting foam standards and environmental guidelines for industrial, aviation, and marine fire protection applications.
Our address
NO.8, YUANFENG ROAD, MEIYUAN VILLAGE, KANGMEI TOWN, NANAN CITY, QUANZHOU CITY, FUJIAN CHINA
+86 18160950625
miki@ca-fire.com

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