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I ill!, li ili
i I 1ri I 1S Where is the limit?
Javier Castro | AUXQUIMIA |General Manager
July 21st, 2016
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f iiC ! H l t l f f i i ! Foam Concentrate
Liquid Concentrate - Mixed with water has the ability:
| Ftpii:
b;i;i;:;^
%#i M* Ml If%** %*# Ml i f f
ill d HZtZ
Performance?? Type of Fire?? It will depend on:
gBSCOPCinttllteBBHH
B B l| | tj| | ilijh lB B B B B l
HmFuelmmmmmmmm BBiSIpplig lliilt ly p l * Application rate
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IIIIBI
Both Foams Extin gu ish.... but performance is different
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**************
centrate Classification
A id
Protein type > Protein - P (*) > FluoroProtein - FP > Film Forming FluoroProtein - (FFFP)
Synthetic type > Hiex (High Expansion) (*) > Class A (Solid Fires) (*) m Fajorme Free Foams - fT f+J
(*) No Fluor
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A id
Fluorocompounds (Persistant) New C6 type - Improve Environmental footprint
Traditionally the most effective on class B fires (liquids) Foam can be applied directly on hydrocarbons
No Fluorocompounds Environmental impact
Novel technology for class B - New formulations
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m si Performance
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IDEAL S STOAT SQM
FFF with same performance/properties
than AFFF
uIs i!t Io#%o#sjisjiibbk/liwe to%d*iaiawv? ? ^ ^
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Investigate fire performance of AFFF's vs FFF's
> On different hydrocarbons > Under same testing conditions
2. Identify if/when FFF's are an alternative to AFFF's
3. Focus on performance (No environmental data) 4. Not looking for conclusions on specific
manufacturer 5. Not marketing oriented
Looking for a realistic approach !!!
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g Program
Research program on - 5 AFFF (AR-pseudoplastic) --5 FFF (AR-pseudoplastic)
6 Manufacturers > 80 Fire tests > 50 Physico-chemical properties 4 Flydrocarbons 3 Application rates 2 Application type
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Data from Label and TDS)
1 Type N
1 FFF-AR 3x6
m i FFF-AR 3x6 a n ppps a i g FFFSA Bbbi BBBBBBE FFFB%nnnnnn
1
2 3
4
5
EN-1568-3
IB IIIB NIB
IA
IA
ICAO
NO B B
B
NO
AFFFaRX6g5m lli FC-600BBBBB l i n i
IA
IA
A lllgR x|ga 3
IA
AFFF-AR 3x3* 4
IB
5 IIA
* Formulated with C6 Fluorocompounds
B
B
NO NO NO
A id
LASTFIRE
YES YES YES NO YES
i4i
Y ES YES YES NO NO
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A id
Fuel
^asoline you Heptane Jet A l Diesel
Flash Point -C -40 -4 40
52-96
Surface Tension mN/m 20,1 19,4 24,6 26,3
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Physico-Chemical Properties
Viscosity
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Hiiti H'Hii ill|
lllll; til:
S pHill S Specific Gravity S Refractive Index S Freezing Point S Viscosity: Resistance to flow
Related to Temperature ( The Lower the Temp. - The Higher the Viscosity)
V Newtonian: "Low Viscosity" G Pseudopimtk: "High Viscosity" -- "GeG
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f
Hiiti
ill|
: tit ili
Viscosity depends on shear rate / shear stress
ill
Viscosity depends on flow rate (for a specific pipe section)
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Viscosity (cp)
iiti H+Hii :aH:U li iiiiiii : : ni
Ili :.
il :
0000000000000 00
500
00000000000000
50 10
jf......... ........... I, . : .............. ,,
f f TTHS
ufelftA
:00000
t>................................................. -t-i-I y ** Newtonian
100
Shear Rate (s-1)
1000
15
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FF vs. AFFF (pseudoplastic)
iil 4j......... ........... I, ... .. . f f lTK fSaPB IS P S ' \S5:
16
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Ililiiliffliil ill ill ill
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> Most of AFFF ICAO (Airports) are newtonian (Low vise.) > Most of Fluorine Free are pseudoplastic Fluorine Free (pseudoplastic)....
....AFFF (pseudoplastic)
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Physico-Chemical Properties
AFFF
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AFFF
Additives Polymer (AR)
Fluorocompounds
Surfactants Solvents Water
IC L
Additives
Surfactants Solvents Water
i:i^
Surface Tension Reduction (AFFF)
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Coefficient (Theoretical)
queous ilm orming oam
Fuel Surface Tension Foam Solution Surface Tension
Interfacial Tension Solution/Fuel
Spreading Coefficient <0 NO AFFF
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Film Forming (Real)
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nguishment
Af PF
A id
NOAFfP
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reading Coeficient
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iiillilii ; Hi Ili ill :
A icl
*Average data - 5 FFF-AR and 5 AFFF-AR SBMttMMRf
* Tests on fresh water
24
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rmance - Standards
A icl
Application Aplication Rate type l/min-m2
EN-1568-3 Forceful/Gentle
ICAO
Forceful
UL Type III/Type II
LASTFIRE Semi/Asp/Syst
IMO Gentle
Mil.Spec.
Direct
2,5 2,5 1,66 - 2,5 3,88-2,6 2,5 1,66-2,5
Nozzle
Fix Fix Mobile Fix Fix Mobile
Pan type Fuel Preburn
Circular Circular Square Circular Square Circular
Fleptane Jeat A l Fleptane Fleptane Fleptane Gasoline
lmin lmin lmin 3 min 1 min 10 sec.
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le Test - Low Expansion
Circular Pan 0,74 m Diameter 10 I Fuel
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le Test - Low expansion
3 min application 1 l/min 2,5 l/min-m2
A icl
90% Control time Extinguishment time Burnback
Foam Quality - Simuiate "UNI 86"
29
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ation - Heptane
A icl
Control time, s
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iiti Btil :a;4:i:i
III B ill i i f
Ili .
Ill ;
n - Jet A -l
A icl
31
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Control Time
Seconds
G95
Jet A l
Diesel
T7 FFF-AR HtAFFF-AR
Hept
* Average data - 5 FFF-AR and 5 AFFF-AR
A icl
Difference
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vs. Flash Point
Ht
Ht ;4t:
Gasoline
ill| : ?T|:
Ili
Ill ;
Jet Al
A icl
Diesel
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)osn
1 C*""! 1 #"*"" j-- g C""""! I
mow M W .
^ l nmm # %
r -'-| dp""=n
nmm # %
w ij f f li
#" 1
mm J p \
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sms # %
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J
J
i|
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jc^nniJ%i jcrnj i#i%
jcTHTfi,#%i.
j<?*H"i!J%i
S jgggggm IN BE ffl J%
j gg| i n
m
l b In M
* #%
j p g*. mm m . Bx SB
*b J%
gosty fflHm ffi m . SB ':", " :" ":"":""bk;
n '^S-!; : :
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*b J%
TM *W In
^pn^n B
TM i| U
y TM * 'TM | j n
ttJPwJS#% #JH# m ms?wMM%1W k Vn*!JNi|;' - jgffikl ;';''*vM^*1 .B''';mrnmf 1j JnL ; ;1vW^fNanfvcv^gygSgrnf fggJ&hk , ;1
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1
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tI HIA
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w ia r aueidan
r i c %w# mmIts# *se%cwii#
iprove performance increasing Application Rate?
Control Time vs. Fuel - Application Rate
liiiiiiiiiiSiiilPiiiiiiiiiiiiiil
180
A icl
2,5 Gasolina
1,25
3,75 2,5 1,25 Heptano
3,75 2,5 1,25 Jet A l
Application rate, I/min*m2 Average data 2 FFF-AR 2 AFFF-AR
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ment Time vs Application Rate
AlCL
l/min-m2 1,25 2,50 3,75
Heptane eBASgBBBBBE
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/ious data, f
iiiiiti
III llll| : : ns:
ill ill
> AFFFs control fire
> AFFFs are and conditions)
> AFFFs have
A icl
than FFFs fuel range
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Fire Performance
Spray Tests Non Aspirating
Semi-Forceful (EN-1568-5 Project)
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Gasoline Heptane Jet A-l
FFF
Control 90%
AFFF
Control 90%
Difference
- +45% + 173%
Low Expansion C90% Difference
60%
+6%
+50%
T im e in se co n d s
Average data 2 FFF-AR and 2 AFFF-AR
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ious data f
it i
ill| : til: ill
ill
A id
Using Non Aspirating systems
the in performance than using Low Expansion devices
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ious data FINAL
In difficult scenarios:
A id
The difference in performance between both technologies increase drastically.
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,v,,,: '.'j
aH:U
im:Hi: Have n-r same performance than Af-H-r Ili i l : -- It's not... Could we accept this difference in performance?
iasj|......... ........... !.. I. . : .........
Is "Film Forming" related to Fire Performance?
: j j: : - : - : - : - : - : - : - : - : - : - : - : - : - : - : - : - : - : - : - : - : - : - : - : - : -1 : - : - : - : - : - : - :jj
.......;:gR*jdtm; . * . *ls* . *: m . jMK.* -lkd^i. flB i. .mmm.* -Wt^ - 'JtOR*' - '
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: P P - f l P : thU d
Hi: -g- : : -Hi : : : : j P - : : : : : :
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. * . i jab. MBM.*
*
...................
Is the viscosity a problem?
45
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LIMIT for FFF use?
Each specific scenario has limit. Analyze your equipment
AlCL
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he limit of FFF in July 2016?
A icl
These are the data.... ..... and the conclusions are yours
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