HIGH EXPANSION FIREFIGHTING FOAM CONCENTRATES
High-Expansion Foam Concentrates are flexible firefighting agents used in fighting Class A, Class B, and LNG fires. This foam is known for its high expansion properties; the finished foam has an expansion ratio above 200. For instance, 100 liters of water + premix solution produces approximately 40 000 liters of finished foam. That means that the foam expansion ratio is 40000/100 = 400.
High expansion foam covers a large area quickly due to the large volume of foam produced. The foam extinguishes fire and insulates. High expansion foam is generated through high expansion foam generators or high expansion fire extinguishing systems using the inside air technique. High expansion finished foam flows directly from the foam discharge equipment. It achieves large discharge of high expansion finished foam with little water used.
High Expansion foam generation is used on 3 dimensional fires, to flood large volume surfaces and fill cavities. High expansion firefighting foam is mostly used on dry product fires or in premises with mixed risks (class A and class B fire): stores, warehouses, flammable liquid storage protection, aircraft hangar, distribution warehouse, tunnel facilities, marine engine and pump rooms aboard vessels.
USAFE GREEN high quality synthetic fluorine-free foam (F3) and fluorinated (AFFF and AR-AFFF) foam concentrates are made as per the National and International Standards. Foams can be mixed with fresh and sea water and used in other foam expansion ratios.
Its unique formulation is a blend of high activity synthetic foaming agents and foam stabilizers specially formulated to produce an extremely stable long-lasting foam. USAFE GREEN HI-EX FOAM has been formulated primarily for use at medium and high expansion, and it is effective on a wide va-riety of Class A and Class B re risks. The finished foam has drainage characteristics far superior to those of standard de-tergents which increase its ability to carry water to the re, acting as a positive aid to effective re extinguishment De-pending on the equipment used USAFE GREEN HEF can also generate Low and Medium expansion fireghting foam. They are recommended for use where large volumes of finished foam are required, such as aircraft hangers, ships holds, car parks etc.
Balanced Chemical System
Every foam is designed and manufactured to work in the specic risk for which it is intended. High expansion foams are no exception and are manufactured with great care to ensure maximum performance. With an accurate balance of extinguishing compounds and being 100% biodegradable, these foams offer the highest performance against their intended risk.