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CHEMGUARD C364 3%x6% AR-AFFF (Alcohol Resistant Aqueous Film-Forming Foam) Concentrate combines fluoro- and hydrocarbon-surfactant technology to provide superior fire and vapor suppression for Class B, polar solvent, and hydrocarbon fuel fires. This synthetic foam concentrate is intended for firefighting applications at 3% solution for hydrocarbon fuels and at 6% solution for polar solvent fuels in fresh, salt, or hard water.
CHEMGUARD C364 3%x6% foam solution utilizes three suppression mechanisms for rapid fire knockdown and superior burnback resistance:
CHEMGUARD C364 Concentrate is a non-Newtonian fluid that is both pseudoplastic and thixotropic. Because of these properties, dynamic viscosity will decrease as shear increases.
The environmentally-mindful CHEMGUARD C364 Concentrate formulation contains short-chain, C-6 fluorochemicals manufactured using a telomer-based process. The telomer process produces no PFOS, and these C-6 materials do not breakdown to yield PFOA. The fluorochemicals used in the concentrate meet the goals of the U.S. Environmental Protection Agency 2010/15 PFOA Stewardship Program.
Approvals, Listings, and Standards
CHEMGUARD C364 3%x6% AR-AFFF Concentrate is approved, listed, qualified under, or meets the requirements of the following specifications and standards:
CHEMGUARD C364 3%x6% AR-AFFF Concentrate is designed in accordance with the following National Fire Protection Association (NFPA) Standards:
CHEMGUARD C364 3%x6% AR-AFFF Concentrate is intended for use on both types of Class B fires: hydrocarbon fuels having low water solubility, such as crude oils, gasolines, diesel fuels, and aviation fuels; polar solvent fuels having appreciable water solubility, such as methyl and ethyl alcohol, acetone, and methyl ethyl ketone.
The concentrate has excellent wetting properties that can effectively combat Class A fires as well. It may also be used in conjunction with dry chemical agents to provide even greater fire suppression performance.
CHEMGUARD C364 Concentrate is ideal for firefighting applications designed to protect petroleum, oil, gas, chemical, and similar industrial assets. Typical applications include:
CHEMGUARD C364 3%x6% AR-AFFF Concentrate may be effectively applied using most conventional foam discharge equipment at the correct dilution with fresh, salt, or hard water. For optimum performance, water hardness should not exceed 500 ppm expressed as calcium and magnesium.
CHEMGUARD C364 Concentrate requires low energy to foam and the foam solution may be applied with aspirating and non-aspirating discharge devices. Aspirating discharge devices typically produce expansion ratios from 3.5:1 to 10:1, depending on the type of device and the flow rate. Non-aspirating devices, such as handline water fog/stream nozzles or standard sprinkler heads, typically produce expansion ratios from 2:1 to 4:1. Medium-expansion discharge devices typically produce expansion ratios from 20:1 to 60:1.
**per EN 1568-3, 2008 protocol
CHEMGUARD C364 3%x6% AR-AFFF Concentrate can be correctly proportioned using most conventional, properly calibrated, in-line proportioning equipment such as:
The recommended operational temperature range for this foam concentrate is 35 °F to 120 °F (2 °C to 49 °C).
For immediate use: The concentrate may also be premixed with fresh or sea water to a 3% solution for hydrocarbon fuel fires or a 6% solution for polar solvent fuel fires.
For delayed use: Consult Technical Services for guidance regarding suitability of a pre-mix solution (fresh water only).
Materials of Construction Compatibility
To avoid corrosion, galvanized pipes and fittings should never be used in contact with undiluted concentrate. Please contact Technical Services for recommendations and guidance regarding compatibility of CHEMGUARD concentrates with common materials of construction in the firefighting foam industry.
Storage and Handling
CHEMGUARD C364 3%x6% AR-AFFF Concentrate should be stored in the original supplied package (HDPE totes, drums, or pails) or in the foam system equipment recommended by Technical Services. A thin layer (up to 1/4 in. (6 mm) thick) of appropriate-grade mineral oil may be applied to the surface of the foam concentrate stored in a fixed, atmospheric storage container to minimize evaporation. Please consult Tyco Fire Protection Products for further guidance regarding the use of mineral oil to help seal the surface of AR-AFFF concentrates.
The product should be maintained within the recommended 35 °F to 120 °F (2 °C to 49 °C) operational temperature range. Freezing of the product should be avoided. If, however, the product is frozen during transport or storage, it must be thawed and inspected for signs of separation. If separation has occurred, the product must be mechanically mixed until homogeneous.
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 C364 Concentrate can be maximized through optimal storage conditions and proper handling.
CHEMGUARD foam concentrates have demonstrated effective firefighting performance with contents stored in the original package under proper conditions for more than 10 years.
Mixing CHEMGUARD C364 Concentrate with other foam concentrates for long-term storage is not recommended. Use in conjunction with comparable 3%x6% AR-AFFF products for immediate incident response is appropriate.
CHEMGUARD C364 3%x6% AR-AFFF Concentrate should be inspected periodically per NFPA 11 “Standard for Low-, Medium-, and High-Expansion Foam,” EN 13565-2 “Foam System Standard,” or other relevant standard. A representative concentrate sample should be sent to Tyco Fire Protection Products 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.
CHEMGUARD C364 3%x6% AR-AFFF Concentrate is available in pails, drums, totes, or bulk shipment.
Note: The converted metric values provided are for dimensional reference only and do not reflect an actual measurement.
CHEMGUARD and the product names listed in this material are marks and/or registered marks. Unauthorized use is strictly prohibited.
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