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Product Description
Fomtec ARC 3×3 is a high efficiency multi purpose film forming foam (3×3). The main advantage of Fomtec ARC 3×3 is the 3% induction ratio on ALL class B fires, including polar solvents, in fresh or seawater.
Characteristics for film forming foam are that it spreads rapidly across a fire. As a result, it is highly effective against hydrocarbon fires. Adding special polymers ensures it is also highly effective against polar solvents.
The low surface tension of the water foam concentrate solution enables the aqueous film, which is heavier than the burning liquid, to float on top of the hydrocarbon liquid surface.
When applied on polar solvents a polymeric membrane makes it possible for the foam blanket to extinguish effectively. This works also on foam destroying liquids such as MTBE.

Additional information

Features and Benefits

Fomtec ARC 3×3 is intended for use on class B hydrocarbon fuel as well as on polar solvent e.g. Isopropanol, Methanol and other foam destroying fuels such as MTBE. It uses only half the quantity to extinguish polar solvent fires in comparison to the traditional 3×6 foam concentrates. It can be used with both aspirating and non-aspirating discharge devices. It is compatible with all dry chemical powders.

Technical Data

Technical data

Clear yellowish liquid

Specific gravity at 20°C
1,040 +/- 0.01 g/ml

Viscosity at 20°C
≤ 2300 mPas

6,5 – 8,5

Freezing point

Recommended storage temperature
-15 – 55°C

Suspended sediment (v/v)
Less than 0,2%

Surface tension
≤ 19,0 dynes/cm