Chemguard 6% AFFF Mil-Spec (Aqueous Film-Forming Foam) Concentrate

SKU CG-C606-MS
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Chemguard 6% AFFF Mil-Spec (Aqueous Film-Forming Foam) Concentrate

Replacement: Bioex Ecopol A3+ Mil-Spec Synthetic Flourine Free Foam

CHEMGUARD C606-MS-C 6% AFFF (Aqueous Film-Forming Foam) Concentrate combines fluoro- and hydrocarbonsurfactant technologies to provide superior fire and vapor suppression for Class B hydrocarbon fuel fires. This synthetic foam concentrate is intended for firefighting application at 6% solution in fresh, salt, or hard water.

CHEMGUARD C606-MS-C foam solution utilizes three suppression mechanisms for rapid fire knockdown and enhanced 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)
AppearancePale yellow liquid
Density1.03 ± 0.02 g/ml
pH7.0 - 8.5
Refractive Index1.3600 ± 0.0020
Viscosity2.5 ± 1.0 cSt*
Spreading Coefficient3 dynes/cm minimum at 6% dilution
Pour Point21 °F (-6 °C)
Freeze Point21 °F (-6 °C)

* Cannon-Fenske viscometer at 25 °C

Application
CHEMGUARD C606-MS-C 6% 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.

CHEMGUARD C606-MS-C 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 and Listings
CHEMGUARD C606-MS-C 6% AFFF Concentrate is approved, listed, qualified under, or meets the requirements of the following specifications and standards:

  • US Department of Defense Military Specification: MIL-F-24385F: Fire Extinguishing Agent, Aqueous Film-Forming 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 Fire-Fighting Foam Fire Equipment, NFPA 414, Standard for Aircraft Rescue and Fire-Fighting Vehicles, NFPA 418, Standard for Heliports

The CHEMGUARD C606-MS-C 6% AFFF Concentrate formulation contains short-chain, C-6 fluorochemicals manufactured using a telomer-based process that does not produce PFOS.

Foaming Properties
CHEMGUARD C606-MS-C 6% AFFF Concentrate may be effectively applied using most conventional foam discharge equipment at 6% dilution with fresh, salt, or hard water. For optimum performance, water hardness should not exceed 500 ppm expressed as calcium and magnesium.

CHEMGUARD C606-MS-C Concentrate requires low energy to foam and the foam solution may be applied with aspirating and non-aspirating discharge devices. Non-aspirating devices, such as handline water fog/stream nozzles or standard sprinkler heads, typically produce expansion ratios from 2:1 to 4:1. Aspirating low-expansion discharge devices typically produce expansion ratios from 3.5:1 to 10:1, depending on the type of device and the flow rate. Medium-expansion discharge devices typically produce expansion ratios from 20:1 to 60:1.

TYPICAL FOAM CHARACTERISTICS** (Fresh and Sea Water)
Proportioning Rate6%
Expansion Ratio LE9.1
25% Drain Time (min:sec)3:45
50% Drain Time (min:sec)6:10


Proportioning
The recommended operational temperature range for CHEMGUARD C606-MS-C 6% AFFF Concentrate is 35 °F to 120 °F (2 °C to 49 °C) per UL-162. This foam concentrate can be correctly proportioned using most conventional, properly calibrated, in-line proportioning equipment such as:

  • Balanced and in-line balanced pressure pump proportioners
  • Balanced pressure bladder tanks and ratio flow controllers
  • Around-the-pump type proportioners
  • Fixed or portable in-line venturi type proportioners
  • Handline nozzles with fixed eductor/pick-up tubes

For immediate use: The concentrate may also be diluted with fresh or sea water to a 6% pre-mix solution.

Storage and Handling
CHEMGUARD C606-MS-C 6% AFFF Concentrate should be stored in the original supplied package (HDPE totes, drums, or pails) or in the recommended foam system equipment as outlined in Johnson Controls Technical Bulletin Storage of Foam Concentrates. The product should be maintained within the recommended temperature range. If the concentrate freezes during transport or storage, full product serviceability can be restored upon thaw with gentle re-mixing.

Factors affecting foam concentrate long-term effectiveness include temperature exposure and cycling, storage container, air exposure, evaporation, dilution, and contamination. The effective life of CHEMGUARD C606-MS-C Concentrate can be maximized through optimal storage conditions and proper handling. CHEMGUARD concentrates have demonstrated effective firefighting performance with contents stored in the original package under proper conditions for more than 10 years.

CHEMGUARD C606-MS-C Concentrate has been successfully evaluated by the US Naval Sea Systems Command for prolonged compatibility with other 6% AFFF concentrates qualified under MIL-F-24385F specification.

  • Mixing with foam concentrates not vetted by MIL-F-24385F is not recommended.
  • For immediate incident response, it is appropriate to use the concentrate in conjunction with comparable 6% AFFF products.


Materials of Construction Compatibility
CHEMGUARD C606-MS-C 6% AFFF Concentrate compatibility with HDPE has been successfully evaluated using ASTM D1693-70 protocol under UL-162 standard. Concentrate corrosion studies with cold-rolled carbon steel (UNS G10100), 90-10 copper-nickel (UNS C70600), 70-30 nickel-copper (UNC N04400), bronze (UNS C90500), and CRES steel (UNS S30400) have been successfully completed per ASTM E527 protocol under MIL-F-24385F specification.

To help avoid corrosion, galvanized pipe and fittings should never be used in contact with undiluted CHEMGUARD C606-MS-C concentrate. Refer to Johnson Controls Technical Bulletin Acceptable Materials of Construction for recommendations and guidance regarding compatibility of CHEMGUARD concentrates with common materials of construction in the firefighting foam industry.

Inspection
CHEMGUARD C606-MS-C 6% AFFF Concentrate should be inspected periodically per NFPA 11, EN 13565-2, or other relevant standard. A representative concentrate sample should be sent to Johnson Controls Foam Analytical Services or other qualified laboratory for quality analysis per the applicable standard. An annual inspection and sample analysis is typically sufficient, unless the product has been exposed to unusual conditions.

*Sale not permitted in: NY, CT, NH, CA

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