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NAVAL RESEARCH LABORATORY W ASHINGTON, D.C. 20375 IN R E P L Y R E F E R TO: 6180-291:EJJ:jIp NRL Prob 61C05-19J ib Oft- /f7f From: Commanding Officer, Naval Research Laboratory To: Commander^- Naval Ship Engineering Center (6124B) Subj: Qua l i f i c a t i o n testing of aqueous film forming foam liquid concentrate fire extinguishing agent manufactured by the Ansul C o . ; results of Ref: (a) NA V S H I P E N G C E N ltr 6124B/PAP 4123/74385 Ser 2174 of 20 September 1978 Enel: (1) Two copies of subject report 1. In accordance w i t h reference j(a), the subject product has been tested in order to determine compliance with the requirements of MIL-F-24385B. A report covering the work is f orwarded herewith as enclosure (1). C o p y to: (w/1 cy e n d (1) ) NAVSHIPENGCEN (SEC6101F) NAVSE A S Y S C O M (09G3, 06N2) Naval Weapons Support Center, Crane, IN. (Code 304G) Distribution Authorized to US Government Agencies and their Contractors Only; All other requests shall be forwarded to: Commanding Officer Naval Research Laboratory, Wash. DC. THIS INFORMATION HAS NOT BEEN APPROVED FOR PUBLIC RELEASE. US00000186 6 1 8 0 - 2 9 1 A : E J J :jlp 18 April 1979 S u b j : Qualification testing of aqueous film forming foam liquid concentrate fire extinguishing agent manufactured by the Ansul Co.; results of Ref: (a) Military Specification M I L-F-24385B dated 25 May 1978 1.. An AFFF concentrate manufactured by the Ansul Co. designated AFC-3 Lot 1-6-096 was tested in accordance with the requirements of reference (a). 2. The test results obtained are summarized in Table I. 3. From the test data, it was concluded that the product met the stipulated requirements. 4. The torque required to remove the 5-gallon container caps exceeded the specified limit, paragraph 4.17.2. It is strongly recommended that the torque test be included in the quality conformance testing wherein random containers coming off the production line are tested for cap removal torque. was supplied. Combustion & Fuels Branch Chemistry Division, Code 6180 E. J. Jablonski Fire Suppression Section Combustion & Fuels Branch Chemistry Division, Code 6180 -c R. L. Gipe ' Fire Suppression Section Combustion & Fuels Branch Chemistry Division, Code 6180 C. L . Whit e h u r s t Fire Suppression Section Combustion & Fuels Branch Chemistry Division, Code 6180 Enel (1) to N R L ltr. 6 1 8 0 - 2 9 1 :EJJ:jlp Prob. No. C05-19J iution Authorized to US Government Agencies and their Contractors Only; 5shall be forwarded to: Commanding:Officer Naval Research Laboratory, Wash. DC. INFORMATION HAS NOT BEEN APPROVED FOR PUBLIC RELEASE. : US00000187 NAVAL RESEARCH LABORATORY FIRE SUPPRESSION SECTION WASHINGTON, D.C. 20375 f/f 0 A.ZT Test Results for MIL-F-24385B Qualification . . . . . -- i. . ***, *- -- , ..... . ' 1 r- r---- ''1 PARAG REQUIREMENT VALUE 1 lo t /-6> 3.3 3.3.1 Refract iv p Index Viscosity 5' 25 .i .isfln <30 >2 pH 7.0-8.5 Spreading, coe f f i c i e n t .............. . Foamability ( fresh water expansion rlra in t irjie .... >3_ >6-0 >7-6 sea water expansion >6.0 ..... ... . . drain time Corrosion rate general . . <1-6 c o p p e r -- n icke.l . rJL.iL ni eke1--copper . < 1. -0- Krnn7P ___<iao___ localized .. ............... Total halides Dry Chemical compatibility CRES no. pits. , <100 . >320 Environmental impact toxicity >1500 con ... .. BOD/COD Film formation & sealability . fresh water >0.85 no icjnit sea water -no ignit V -n !__ ! 4. 3 / 7 7 4- > r, z Z 'S .. .. .. 7- S 7 _ 0 ` 3(a - a , ac>4. . 7' 0 VI O f>tfs 330 > /0eo 3 73 K 0 Mo l<jhi t W o ly-yut 1' * 'SHi~er / 4- US00000188 NAVAL RESEARCH LABORATORY FIRE SUPPRESSION SECTION WASHINGTON, D.C. 20375 PARAG Test Results for MIL-F-24385B Qualification REQUIREMENT . VALUE (cont) A ajsu i. ` A *=-3 le>r/--H 1*ni*rgo'Stability ..... .. (a) s o r e a d i n q c o e f ficient concentrate fresh premix . sea premix .-- ____ >..3 ... >3 . >3 6. 4-3 ? 3 jT fh\ foam a b i l i t v ___ ____ fresh water exp > 6. CL dra ip H mf=. ...r>__2-_ sea water exp >.O - ' drain 'time >2.5 .7- *>... 4*S~ 7.0 3. & , (c\ film formation fia -Fresh water 6% sea wat e r 3% fresh water 3% sea water . ...... no icinit. , no ianit jno ignit ... no ianit fresh premix no ignit 6% sea premix...... . no ianit no /?// Ha tefiitfYio tfn-if" y\o itfy.it V\o ifntt HP idi fire p e r f o r m a n c e .......... 3% fresh water ext time ^ ' burnback 3% sea water ext time .< ft5___ >240 <65 4 s' 4-Z.& 2. .. . . burnback ------------ - , fresh-- i-r-e-m-i-x- .....-...exJt_l . burnback 6% sea p r e m i x ext . burnback fell stratification .. >240 <30 >320 <30 >320 3 /0 ` 30 34-r' ZB 3? S ' *. c o n c e n t r a t e ..... .. . .... __fresh nrem.ix .none____ .none caa nramiy $ (f ) p r e c i p i t a t i o n ._ none . ... concentrate f rraih nmini X sea premix <0.05 <0.05 <0.05 < o .o s < .o y < 0 ,4 S - - - ' S H f C 7 2. 4~ : 't US00000189 ' MAVAL RESEARCH LABORATORY ~ FIRE SUPPRESSION SECTION Washington, d.c. 20375 ,,- __ ~ Test Results for M 1 L - F -24385B.Qualification (cont) US00000190 NAVAL RESEARCH LABORATORY " . T lflE SUPPRESSION SECTION ' WASHINGTON, D.C. 20375 MIXTURE : Test Results for MIL-F- 24385B Qualification (cont) A rtsa*. & 760 0 PARAG . REQUIREMENT 3.3.3 C o m p a t i b i l i t y (a) foamability i VALUE ! | CONC exo > 6 .0 d r a i n_______________________________________________________________________ (b) film formation (c) fire performance ext >2.5 "! ! <30 burnback >320 id) stratification none (e) prcipitation______ <0.05 ! i i yiov? <0.0 S CONC/ FRESH CONC/ FRESH SEA SEA PREMIX PREMIX_ - 7 / / >-4> 6 * 7 4 . 7 3.2 h tynii h tyuf "h >*7 33'i7* " I l yto iqnit 30 37o 30 AOS' 30 346 "Hrn jC.O.oS' 3o H o 'x e <O.0~ ................... ; t i i t j t* % * v1 J '-- I *9 , * -- -* .. SHO O T 4 ^$4- -- US00000191