Ansul CLASS B AFFF 3% Concentrate Foam Drum, 55 gal - 442710

ANSULITE AFC-3MS 3% AFFF (Aqueous Film-Forming Foam) Drum (55 Gal) Concentrate combines fluoro- and hydrocarbon-surfactant technologies to provide superior fire and vapor suppression for Class B hydrocarbon fuel fires. This synthetic foam concentrate is intended for firefighting applications at 3% solution in fresh,
salt, or hard water.

ANSULITE AFC-3MS foam solution utilizes three suppression mechanisms for rapid fire knockdown and superior burnback resistance:

• The foam blanket blocks oxygen supply to the fuel.
• Liquid drains from the foam blanket and forms an aqueous film that suppresses fuel vapor and seals the fuel surface.
• The water content of the foam solution produces a cooling effect for additional fire suppression.

Typical Physiochemical Properties At 77 °F (25 °C)

• Appearance Pale yellow liquid
• Density 1.02 ± 0.02 g/ml
• pH 7.0 – 8.5
• Refractive Index 1.3655 minimum
• Viscosity* 3.25 ± 1.0 cSt
• Spreading Coefficient 3 dynes/cm minimum at 3% dilution
• Pour Point 27 °F (-3 °C)
• Freeze Point 27 °F (-3 °C)
• Cannon-Fenske viscometer at 77 °F (25 °C)

Application

ANSULITE AFC-3MS 3% AFFF Concentrate is intended for use on Class B hydrocarbon fuel fires with low water solubility, such as crude oils, gasolines, diesel fuels, and aviation fuels. It is not suitable for use on polar fuels with appreciable water solubility, such as methyl and ethyl alcohol, acetone, and methyl ethyl ketone. It may also be used in conjunction with dry chemical agents to provide even greater fire suppression performance. ANSULITE AFC-3MS Concentrate can be ideal for fixed and emergency response firefighting systems designed to protect naval and aviation assets. Typical applications include:

• Military and civilian aircraft facilities
• Crash fire rescue (per US DOT FAA AC No. 150/5210-6D)
• On-board marine/naval fire suppression systems
• Storage tanks
• Docks/marine tankers

Approvals, Listings, and Standards

ANSULITE AFC-3MS 3% AFFF Concentrate is approved, listed, qualified under, or meets the requirements of the following

• US Department of Defense Military Specification
• MIL-F-24385F: Fire Extinguishing Agent, Aqueous FilmForming Foam (AFFF) Liquid Concentrate, for Fresh and Sea Water
• Underwriters Laboratories Inc.
• UL Standard 162, Foam Liquid Concentrates
• Fresh and Sea Water
• National Fire Protection Association (NFPA)
• NFPA 403, Standard for Aircraft Rescue and Fire-Fighting Services at Airports
• NFPA 409, Standard on Aircraft Hangars
• NFPA 412, Standard for Evaluating Aircraft Rescue and FireFighting Foam Fire Equipment
• NFPA 414, Standard for Aircraft Rescue and Fire-Fighting Vehicles
• NFPA 418, Standard for Heliports

The ANSULITE AFC-3MS 3% AFFF Concentrate formulation contains short-chain, C-6 fluorochemicals manufactured using a telomer-based process that does not produce PFOS.

Foaming Properties

ANSULITE AFC-3MS 3% AFFF Concentrate may be effectively applied using most conventional foam discharge equipment at 3% dilution with fresh, salt, or hard water. For optimum performance, water hardness should not exceed 500 ppm expressed as calcium and magnesium.