AFFF fire fighting foam 6 percent A
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1. AFFF 6% A
Fomtec AFFF 6% A is an aqueous film forming concentrate (AFFF) consisting of fluorocarbon and hydrocarbon surfactants blended with various solvents, preservatives and stabilizers. The foam forms a film of water that quickly cuts off the oxygen supply and extinguishes the fire. The foam expands, which the film is released, forming a stable blanket that prevents the release of flammable vapors and cools the fuel surface, extinguishing the fire and preventing re-ignition. The low surface tension of the aqueous foam allows the water film, although heavier than the flammable liquid, to float on the surface of the liquid. Formtec AFFF 6% A should be used at a 6% ratio (6 parts concentrate in 94 parts water) in brackish, fresh or seawater. It can also be stored as a premix solution in fresh water.
2. Application
The Fomtec AFFF 6% A is designed for use on Class B hydrocarbon fuel fires such as oil, diesel and aviation fuel. It can be used with both suction and non-suction discharge devices. The Formtec AFFF 6% A is particularly suitable whenever rapid fire suppression is required. It is compatible with all dry chemical powders and can be used in powder/foam dual-agent systems.
3. Combustion & foaming performance
The flame retardancy of this product has been measured and recorded in accordance with the "International Approvals" outlined herein. Foaming properties depend on the equipment used and on other variables such as water and ambient temperature. Average expansion 8:1, drain time ¼ average 02:30 min using UNI 86 test hose.
4. Proportional allocation
Formtec AFFF 6% A can easily be balanced at the correct dilution using common equipment such as:
Inline choke
Balanced pressure, variable flow regulation system
Bladder tank
Around the pump balance system
Water turbine controlled foam mixer
Branch pipes and self-guided nozzles 5. Specifications
Structure: Clear yellow liquid
Specific gravity at 20 °C : 1.005 +/- 0.01 g/ml
Viscosity at 20 ° C : 20 mPas
pH: 6.5 - 8.5
Freezing temperature : -1°C
Recommended storage temperature: -1 - 55°C
Suspended residue (v / v): Less than 0.2%
Surface tension: 19.0 dynes/cm
6. Environmental Impact
Formtec AFFF 6% A is formulated using raw materials specially selected for their combustion performance and environmental characteristics. Formtec AFFF 6% A is biodegradable. However, handling of concentrated solution or foam spills should be done in accordance with local regulations. Usually sewer systems can handle foam solutions based on this foam concentrate, but local sewer operators should be consulted in this respect. This product does NOT contain PFOS or PFOA. Full details will be found in the Material Safety Data Sheets (MSDS).
7. Storage / Shelf life Stored in its original, intact packaging, the product has a long shelf life. Shelf life above 10 years will be found in temperate climates. As with all foams, shelf life will depend on temperature and storage conditions. If the product is frozen during storage or transportation, thawing will render the product fully usable. Synthetic foam concentrates should only be stored in stainless steel or plastic containers. Since electrochemical corrosion can occur at joints between dissimilar metals when they come contact with foam concentrates, only one metal should be used for pipes, fittings, pumps and tanks that can be used. used in the storage of foam concentrates.
Packing: 25 liters, 200 liters, 1000 liters
8. International approval EN 1568, part 3
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