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AFFF (PFAS) Foam Replacements Are Here
Good Morning All:
Considering pending NY State legislation banning all foams containing PFAS (fluorine compounds) and similar sounds coming from the Carolinas, Florida, New Jersey, Pennsylvania, Colorado, Michigan, Illinois, Maryland, New England and Washington; I’d like all NF dealers and significant customers to have some information (data sheet) on NF’s new Fluorine Free (AR-F3) alcohol resistant foam. Universal Green AR-F3, 3% foam is NF’s recommended AR-AFFF replacement and is priced exactly as Universal Gold. It is intended to comply with NFPA 11, and UL 162 GFGV, the petrochemical industry’s foam fire protection standard. Features & Benefits - NF’s Universal Green AR-F3, 3% is
the ONLY alcohol resistant Fluorine Free foam with a range of UL listings whichare the backbone of fire department purchasing specifications. UL listings include alcohols and gasoline/ethanol blends at 3%. It is truly a sturdy replacement product for those using Universal Gold, Universal Plus, Centurion 3% AR-AFFF… or any other brand AR-AFFF for that matter. See UL listing updates soon to be posted. One of its most exciting features is two hour quarter life. Where Universal Gold is +/- 25 minutes in fresh water. U-Green has a two hour quarter life, meaning a 120 min. blanket on a spill versus fifteen to thirty minutes for best AR-AFFFs. This means Big Time concentrate and water savings at highway crashes where water and concentrate
© Cottrell Associates, Inc 2019
Factory Agents Since 1988
Foam LinesCombat Support Products
Division Of Cottrell Associates, Inc.
June 2019
is scarce. Should things get out of hand its very capable of shutting down a fire, particularly on porous terrain. Airport Foam:National Foam now have a FAA/ NFPA 403 AFFF replacement, should it come to that in 2021. AvioF3 Green is specially formulated for aircraft crash firefighting where aviation turbine fuel (Jet A) and av-gasoline are at risk. Info on NF’s AvioF3 Green, ICAO level C, AFFF replacement is discussed in the attached program handout and will be available for sale through select NF dealers, yet to be determined. Final Note: Class A foams and wetting agents like NF’s KnockDown, F-500, FireAde 2000, NovaCool, etc. do comply with NFPA 18 and or are UL 162 (GOHR) listed. Such products are indeed fluorine free as is National Foam’s KnockDown. However, all but Knockdown do not foam and are not UL listed (tested) for use on gasoline/ethanol
blends (E-10, E15, E85, E95, E98) or ethanol as is shipped in barge, rail or in highway tankers. NFPA 18 and UL GOHR categories do NOT comply with oil industry fire protection standards, FAA requirements or NFPA 403 standard for ARFF/CFR vehicles where UL 162 (GFGV) and US Navy Mil Spec are governing performance requirements.
Finally: Since the most popular wetting agents do not foam, fuel soaked into the earth cannot be treated, as their mechanisms of extinguishing requires mixing the agent (a powerful detergent solution) with fuel.
Should you have sales reps. or customers in need of tech support, go to link below.
www.combatsupportproducts.com/combat-support-products/training-library.html
© Cottrell Associates, Inc 2019
Lower viscosity than some fl uorine free foams to ensure easy induction.
Fluorine free to minimize environmental persistence.
3% induction on both hydrocarbon and polar solvent risks.
Underwriters Laboratories, Inc.(Pending)
Underwriters Laboratories of Canada. (Pending)
Universal®F3 Green 3%-3% is a superior quality 3% synthetic fl uorine free (FF) foam concentrate, designed for extinguishing and securing all types of fl ammable liquid fi res and Class A incidents. Universal®F3 Green 3%-3% has been designed specifi cally for general emergency responders who are faced with a variety of risks in a range of situations.
Universal®F3 Green 3%-3% is a patented
combination of surfactants and other
ingredients to produce a vapor sealing
blanket of foam that rapidly spreads over
the surface of the fuel to provide rapid
control and extinguishment.
- Unique patented formulation only
available from National Foam.
- Specifi cally designed for local authority
and municipal responders.
- Approved to EN1568 part 3 and 4 on all
fuels and all water types.
Applications
Universal®F3 Green 3%-3% is used in high
risk situations where hydrocarbons (such
as oils, gasoline, diesel fuel, and aviation
kerosene) are stored, processed, or
transported and/or polar solvents (such
as alcohols, ketones, esters, and ethers)
are stored, processed, or transported.
Universal®F3 Green 3%-3% provides a
vapor suppressing foam blanket on
unignited hydrocarbon spills.
Universal®F3 Green 3%-3% can also be
used as a wetting agent in combating
fi res in Class A materials such as wood,
paper, and tires.
Typical Physical Properties
Appearance ...........................Pale Yellow Color
Specifi c Gravity at 68°F(20°C) .......1.02-1.04
pH @ 68°F(20°C) .........................................7.0-8.0
Viscosity@ 68°F(20°C) ........Non-Newtonian
Lowest Use Temperature ................35°F(2°C)
Max Continuous
Storage Temperature .............120°F(49°C)
Equipment
Universal®F3 Green 3%-3% is intended for
use at 3% (3 parts concentrate to 97 parts
of water) on hydrocarbons and polar
solvents. Universal®F3 Green 3%-3% is
readily proportioned using conventional
foam proportioning equipment such as
portable and fi xed (in-line) foam venturi
proportioners, handline nozzles with
AssuranceFirefi ghting and environmental performance you can rely on
National Foam prides itself on the open
and honest way in which we conduct our
business throughout the world. Our foam
concentrates are an extension of our
ethical beliefs and we pride ourselves in
being the responsible foam manufacturer,
balancing high performance with
minimal environmental impact.
Fluorine Free TechnologyUniversal®F3 Green 3%-3% alcohol-resistant
fl uorine free foam (AR-Synthetic) is used
at 3% concentration to extinguish both
hydrocarbon and polar-solvent (water
miscible) fi res. This new formulation
demonstrates National Foam’s commitment
to superior fl exibility, fi refi ghting
performance, and environmental
responsibility. It is suitable for use with
foam compatible dry powder extinguishing
agents.
Universal®F3 Green
3%-3% Alcohol Resistant SyntheticNFC510
National Foam
350 East Union Street, West Chester, PA 19382, USA
Email: [email protected]
www.nationalfoam.com
24hr RED ALERT® : 610-363-1400 • Fax: 610-431-7084
Universal®F3 Green 3%-3% Alcohol Resistant SyntheticNFC510
National Foam operates a continuous programme of product development. The right
is therefore reserved to modify any specifi cation without prior notice and National
Foam should be contacted to ensure that the current issues of all technical data sheets
are used.
© National Foam
04/18 NFC510
Page 2 of 2
pick-up tubes, balanced pressure variable
fl ow proportioners, balanced pressure
bladder tank proportioners, and around-
the-pump proportioners.
Universal®F3 Green 3%-3% should be used
with air aspirating discharge devices.
Devices include low expansion nozzles,
monitors and fi xed foam discharge
devices.
Compatibility
Universal®F3 Green 3%-3% is suitable for
use in combination with:
- Soft or hard, fresh, brackish or sea
water.
- Expanded protein-based or synthetic
foams for application to a fi re in
sequence or simultaneously.
Environmental
Universal®F3 Green 3%-3% is PFOS free.
Universal®F3 Green 3%-3% is 100%
biodegradable and is manufactured
without any added fl uorinated
surfactants or fl uorinated polymers.
Universal®F3 Green 3%-3% is
biodegradable, however, as with
any substance, care should be taken
to prevent discharge from entering
groundwater, surface water, or storm
drains. Disposal of Universal®F3 Green 3%-
3% should be made in accordance with
federal, state, and local regulations.
Storage
Universal®F3 Green 3%-3% is ideally stored
in its original shipping container or in
tanks or other containers which have
been designed for such foam storage.
Recommended construction materials
are stainless steel (Type 304L or 316),
high density cross-linked polyethylene,
or reinforced fi berglass polyester
(isophthalic polyester resin) with a vinyl
ester resin internal layer coating (50 -100
mils).
Foam concentrates are subject to
evaporation which accelerates when
the product is exposed to air. Storage
tanks should be sealed and fi tted with
a pressure vacuum vent to prevent free
exchange of air. The recommended
storage environment is within the
temperature range of 35°F to 120°F
(2°C to 49°C). When product is stored
in atmospheric storage tanks, contents
must be covered with 1/4-inch (6.35mm)
of National Foam Seal Oil to ensure
prevention of air coming into contact
with the foam concentrate. Use of Seal
Oil is only recommended in stationary
storage tanks. Refer to National Foam
product data sheet NFC950 for further
information.
Shelf Life, Inspection, and Testing
The shelf life of any foam concentrate is
maximized by proper storage conditions
and maintenance. Factors aff ecting
shelf life are wide temperature changes,
extreme high or low temperatures,
evaporation, dilution, and contamination
by foreign materials. Properly stored
National Foam foam concentrates have
been tested and shown no signifi cant
loss of fi refi ghting performance, even
after 10 years.
Annual testing of all fi refi ghting foam
is recommended by the National Fire
Protection Association (NFPA). National
Foam provides a Technical Service
Program to conduct such tests. Refer
to National Foam product data sheet
NFC960 for further details on Technical
Service program.
Ordering Information
Container Shipping Weight Shipping Dimensions Part Number
5-Gallon Pails (19 liters) 44.1 lb. (20.0 kg) 1.13 cu. ft.3 (0.032 cu. m) 2190-3340-0
55-Gallon Drums (208 liters) 492 lb. (223.0 kg) 11.1 cu. ft.3 (0.314 cu. m) 2190-3481-0
265-Gallon IBC Reusable Tote Tank (1000 liters) 2425 lb. (1100.0 kg) 48.2 cu. ft.3 (1.365 cu. m) 2190-3625-0
Alternative AFFF Replacement
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Jim Cottrell, Cottrell Associates, Inc. National Foam Factory Reps. since 1988
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HANDOUTS
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Www.combatsupportproducts.com/combat-support-products/training-library.html
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Environmental folks identified pre 2003, PFAS compounds, PFOS & PFOA fluorosurfactants used for film forming in AFFF and AR-AFFF firefighting foam as bad actors and in most cases, rightly so. These long carbon chain (C8) compounds have been detected in water wells near chemical manufacturing sites and military fire training facilities.
water film
Small amounts of fluorosurfactants added to water decreased its surface tension characteristics such that it allows water to skim across jet fuel, diesel and gasoline, extinguishing fire as it spreads. It was truly a game changer in the liquid fuel firefighting world.
Here, the foam blanket acts as a reservoir for film forming release. It releases a water film over time much as beer head drains in a glass.
1960’s through 2002
National Foam AFFF products never contained PFOS or added PFOA compounds
AFFF Fluorine Debate © 2019 Cottrell Associates, Inc .CombatSupport Products Div.
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Background Story - Cancer Links
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National Foam patented an alcohol resistant variant by adding a sugar based ingredient. When foam solution drained on a polar solvent (alcohol) it created a polymeric membrane that separated the water in the AFFF foam blanket from the foam destructive solvent beneath. Another game changer in fighting stubborn polar solvent fires.
National Foam soon sold rights to the 3M company and others allowing them to produce alcohol type AFFF concentrates (ATC). National’s AR products are still known as Universal Foams.
polymeric raft
AFFF Fluorine Debate 1970’s
© 2019 Cottrell Associates, Inc .CombatSupport Products Div.
Universal Green now use a similar polymer
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C8 Chemistry vs. C6
AFFF - Film Forming Fluorosurfactants PFAS
PFOS and PFOA is said to be persistent, bioaccummulative and toxic (PBT). Some eight carbon chain film forming chemistry that include PFOS and PFOA is said to be cancer linked and long term environmentally persistent, it is no longer manufactured.
C8
AFFF Fluorine Debate 2019
PFAS is a catch-all acronym that encompass most things relating to fluorosurfactants, which include: AFFFs, food contact paper, textile coatings, non-stick cookware, etc. PFOS and PFOA are the known bad actors in the PFAS range of chemicals.
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C8 Chemistry vs. C6
Some science suggests there are trace amounts of bioaccummulative components in C6 chemistry, which is why ALL PFAS compounds regardless of origin are being painted in some circles with a suspect brush; and is why National Foam patented an effective alcohol resistant, fluorine free (F3) replacement foam.
AFFF Fluorine Debate 2019
Six carbon chain chemistry (C6) has replaced eight carbon chemistry (C8) and is considered non-biocumulitave and significantly less environmentally persistent. Is OK for now.
C62015
AFFF - Film Forming Fluorosurfactants PFAS
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Regardless of the outcome of science debates there are those who would prefer to remove all fluorosurfactant, PFAS compounds from firefighting foam. In fact, there are some states in the process of legislating the extinction of PFAS firefighting foams. NF have third party certification that their AR-F3 product is in fact fluorine free.
AFFF Fluorine Debate 2019
Class A Foam And Wetting Agents (emulsifiers)
To be clear, Class A foams are not in the fluorine fight. Their wetting and foaming ability rely on hydrocarbon surfactant foamers. Some to include National’s Knockdown Class A foam have U.L. Wetting Agent listings which allow limited use on simple hydrocarbon oil based fuels such as diesel. Definitely not for use on gasoline / alcohol blends, particularly where fuel has soaked into the earth. Agent application requires the mixing of detergent solution with fuel using an otherwise unsafe plunging technique where fuel has depth and is not running. Note: Most wetting agents do not foam…
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AFFF Fluorine Debate 2019
a - No, not at present (February 2019). The Federal Aviation Administration (FAA) still mandates all FAA controlled airports use a C6 Mil Spec AFFF.
Q. Will Airport AFFF Foam, MIL-PRF-24385F(SH) Be Affected?
However, FAA reauthorization legislation, HR 302 of Oct. 2018 includes wording that will allow airport fire departments to substitute MIL-PRF-24385F(SH) with an approved foam (U.L / NFPA 403) fluorine free (F3) agent, qualified by ICAO within three years of HR 302 becoming law, which could be 2021-2.
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OSHKOSH Airport Products
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In the U.S., NFPA 403 Standard for Aircraft Rescue and Firefighting is the airport firefighting guidance document. NFPA does not approve or test but rather sets performance standards, which are tested under Underwriters Laboratory 162 Standard for Foam Equipment and liquid Concentrates, ICAO performance standards and or as is now (6/3/19) the U.S. Navy MIL-PRF-24385F(SH), AFFF Mil Spec. formulation.
At this point in time it is not clear what firefighting performance standard FAA will adopt, NFPA 403 has recognized ICAO Level A, B & C, fluorine free foams.
AFFF Fluorine Debate 2019
a. European aviation firefighting performance products are guided by International Civil Aviation Organization (ICAO) regs. and may soon be so in U.S.
Q. What are ICAO (International Civil Aviation Organization) Foam Standards Why Should I Care?
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AFFF Fluorine Debate 2019
a - Yes, National Foam have a third party certified, ICAO level C fluorine free product called, AvioF3 Green KHC 3%. This product has been specially formulated for the Aviation industry wherever ICAO performance is required. Should it be approved for use by U.S. FAA, it is now NFPA 403 compliant, and available through authorized National Foam dealer channels.Note:ICAO allows self certification through three levels of performance. Level C is highest performing status. National Foam has third party certification for conformity to ICAO level C on AvioF3 Green KHC 3%
Q. Does National Foam have a AFFF replacement for use by the U.S. aviation community?
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AFFF Fluorine Debate 2019
U.S. Mil. Spec Vs., F3© 2019 Cottrell Associates, Inc .CombatSupport Products Div.
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If U.S. Mil Spec AFFF is abandoned, ICAO performance level C, fluorine free foams are as good as it gets in terms of firefighting performance.
ICAO performance levels A and B foams are not nearly as effective as ICAO level C. All things being equal, the down side of ICAO A or B products is reduced safety and survivability for firefighters and passengers.
It’s pretty much a forgone conclusion that U.S. Mil Spec AFFF is the world gold standard in terms of ARFF user safety and passenger survivability. There are no fluorine free foams that can match its speed of fire knockdown and security, although National Foam’s AvioF3 Green KHC 3% is pretty close.
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Universal Green F3 3%x3%
Synthetic Alcohol Resistant Foam
Fluorine Free Product Talking Points
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Universal Green 3% AR-F3 Facts:U-Green has a Underwriters Laboratory type III listing for use on Hydrocarbons and Type II on polar solvents, both at 3% proportioning using fresh or sea water.
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Type III applications include those one would use on a fuel storage tank fire where over the top application is required.
Type II applications include those that one would use on foam destructive fuels such as polar solvents or some acids. Using bank-in (back-splash) off the side of wreckage or roll-on using nozzle velocity to push foam onto a fuel spill or fire somewhat gently.
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Universal Green 3% AR-F3 Facts: © 2019 Cottrell Associates, Inc .CombatSupport Products Div.
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viscosity 1800 cps
Universal Green 3x3 has no systems viscosity restrictions.
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Universal Green 3% AR-F3 Facts:
Must be used with aerating nozzles at minimum of 10:1 expansion on hydrocarbons to include E-10 gasoline/ethanol blends and polar solvents (alcohols).
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25:1 @ 125 gpm10:1 @ 60 gpm
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Universal Green 3% AR-F3 Application RatesApplication rate is foam/water solution flow per square foot of fire. A 1000 sq.ft. gasoline (hydrocarbon) fire requires 160 gpm solution to achieve extinguishment (0.16 gpm / sq. ft.).A 1000 sq. ft. isopropyl alcohol (IPA) requires 280 gpm (0.28 gpm / sq. ft.) A 1000 sq. ft. ethanol fire requires 100 gpm (0.10 gpm / sq. ft.)
© 2019 Cottrell Associates, Inc .CombatSupport Products Div.
Hydrocarbon Fire ListingsSpill at 0.10 gpm / sq. ft. - needs 5 gpm (AFFF)Spill at 0.16 gpm / sq. ft. - needs 8 gpm (F3)Fuel In Depth (tank fire)0.16 gpm / sq. ft. - needs 8 gpm (AFFF)0.16 gpm / sq. ft. - needs 8 gpm (F3)Alcohols AR-AFFF0.20 gpm / sq. ft. needs 10 gpm - IPAAR-F30.28 gpm / sq. ft. - needs 14 gpm - IPA
Fifty square foot U.L.162 fire test pan.
U.L. test rate is 40% less than listing rate
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Universal Green 3% AR-F3 Facts:Quarter life is two + hours with fresh water. One + hour with sea water.
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25 ml
100 ml. 3% solution shaken to full expansion - Time it takes to drain 25% solution
expansion ratio
U Gold +/-23 min
U Green +120 min
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ECONOMY OF USE Municipal Fire Service
About 80% of fire department foam use is in securing hazardous spills. Here increased quarter life can contribute to significant savings in terms of foam replacement cost as well as lowering the environment impact of water use, which is always in short supply at highway crashes.
In the event of unexpected ignition, Universal Green AR-F3 has a U.L. pedigree showing it a fairly strong AFFF replacement.See the table for cost comparisons where foam is reapplied at quarter life.
3% ProportioningOne Minute Applications
Foam Used Gal.
Foam $ Per Gal.
Water Used Gal.
Cost $
All AFFF Mil. Spec. 24 72 32 2328 23045 min 1/4 lifeBrand X AR-AFFF 10 30 36 970 108012 min 1/4 lifeBrand Y AR-AFFF 10 30 36 970 108012 min 1/4 lifeNF U-Gold AR-AFFF 5 15 45 485 67525 min 1/4 lifeNF U-Green AR F3 1 3 45 97 135120 min 1/4 life
Aerated (10:1) Foam Reapplication At Quarter Life 20ft. x 25ft. (500 sq. ft.) un-ignited spill - 100 GPM - 1 Minute To Cover
ECONOMY OF USE - TWO HOUR EVENT
© 2019 Cottrell Associates, Inc .CombatSupport Products Div.
Example assumes a 500 sq. ft., un-ignited gasoline spill using a 100 gpm, aerating (10:1) nozzle for security at foam’s quarter life during a two hour event. Safety Note: Reapply foam when gas detector indicates flammable range vapor or material’s odor returns.
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Universal Green 3% AR-F3 Facts:
Freeze - thaw stable.
Doubles as a class A wetter at ½ to 1%. Per NFPA 18
© 2019 Cottrell Associates, Inc .CombatSupport Products Div.
Twenty-five year shelf life (sealed, factory packaging)!19
You can train with it with no fluorine complications.
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Finish © 2019 Cottrell Associates, Inc .CombatSupport Products Div.
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Now available at stocking National Foam Dealers
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