MII.-C-9O84C - Wave Equation

1 ( )MfLfTARYSPECIFICATfONCLOTH,GLAs2,FfNSHE D,FORRESINfAMINATEST hisspecUlcation19mandateryforusebyallDep art-mentaandAgetxleOoftheDepartmentofDef ense.~. :I,r Class1-ForpolyesterfamlnatesClaaa2-Forqx +xyIaminatca -lCla883-ForatllceneLmninates\ [onforbidsorrequestforpmpocal,formaparto fthiespecificationtotheextentspecI- ,Cod6kvtog, cloth ,andTape-GlaasResin,Poly ester,Low-preseureLaminating m.,..,.MrL-c-9084cSPZCI FICATIONSK!MNY(continued)MfL-R-S!299 Resin,Phenolic,LaminatingMIL-R-9300 Resin,EporJ,Low-pressureLaminatingMIL-R- 2S506 Resin,SUicoae,Low-pressuremIMI~S1 ANDARDSF edemlFED-STD-191 TextileTestMethodsFED-~D-406 Plastic,MethodaofTeatlngY!&?l MIL-SI D-105fiplingProceduresandTablesforImapec tionbyAttributes(Copiesofsp~ifications,s tandards,drawfngs,andpubllcatloaarequire dbysuppliersInconnectionwithepeciflcproc urementfunctionsabuuldbeobtairiedfrumthe procuringactivityorasdirectedbytheco@ Iv.)]

2 Il+. \! [1AX111nllI I.< ,i:tlh. ig,.tll ) ~ !inE182182-1$ NVSICALtV40 PERTIESOFFINISIIH)Cl~ ..W,we .- loin%ln (cmwfnct)eatinmill%inmilll-harness(crm+aot) (crowfwt)MInVainwin%Ini-counter,i+harncmsatin, ,L1-bar emleatln,-mwlltar,8-IIMI IIO* !-counter,EharlwgnS8th,-co ter,IHulr~sssa;lm,+ountcr,B-harnesssatini+counter, ,-cmlilbr,yl-bnrnemLlatl lain%1 lain kiln h~ 393959595941414148482719195656565959534141M1s1313. IIllng383657,51573131312926161717635353555547352613131313 k ,, ,ihl%,fwlltm;/~/Thlt:knvn>.Iinrh)Waq>FllllngMhhbx 450-1/2 ECD450-1 )150-1 +50-1/2 Eco450- 150-1/2 ECG0, ,0120225-2/2 ECE225-2 :016015-2/2 ECK75-2 ~ \,..,d Min , , f4441 :ta, , $ , ,laldesignations[oragivenIYTWmu},varywll hdifferentsqpller6.:1 Tcrmism!cgy[oryarnconslrudionish) [hD[.-Y-ll4O[oryamlar.]]]]]]

3 :,ki~tirti~haart.* :TIMnominalaveragedlamelcrOrDE[Ilame ta[ ) ,nch.~1 Yamsconf,,rn,l~toepm[[icdconalructionexc eptformnal[cr-than-qmciNed[Ilamcntdlnmct erarencceptnbte( ,7S-1/11 KCDF,ynmmareaccepmbleforTyTWtVBclothInli euof75-1/0 ECGyarns).,,.. :orItmaycompriseacleaningopemtlonwithsub sequentapplicationofadd[tlonalmaterials( ,resfn-coupliczgageots,htbriccondltfonem ) !nlshusedshallbeidentified( )bythefinishedclothstpplier ,~pplementingofthesuppllerrsdesignstinnb yacb achromiumcomplsxfinish !,vanaminosilanefinish ) ~. ( ), , ~dsts( ), $.;. , , , ,shallconformtntherequirementsofTableHfo rlongi-tudinaltensilepmpertlesandofTable 331forlongitudinalfiesu~.pmpertiesofthe~ applicabletypeandciassofcloth.,, ( ),larni-) , ~ ( ),thetotallengtkofC1 OUIineachrollshalibe250*2 SyardsforTypesIthrnughIVB,125t25yardsfnr &TesVthroughHA,also &PasX-UadXIIA,and6S*15yardsforTypesXthro ughXJA, ( ),& !]]]]]]]

4 ( ). WorknansNp. [ ,ifpresent, ).. ~.TABLEUtiNGITUDINALTENS3 LEWRENGTNOFLAMINATESyd,,:,-).-- ..Dam?clothTcnslleS4rcngth(Thousmuisofps i)(MinimumAvemgc)Class1(POlyestcr) (Cpox-y)Class3(silicone)ClrIBs4(phenollc ) rypCommcrclalDe81gIMtIonStandamlWetStand ardwetStan&rdWetStan&rdWetCondltlOnsCond ltlonCond[tloneConditionCondittonaCondtt ionConditionsCOnditIonI112 - .. ,..,,. :,.., DamClothFlcxumlSlrength(ThousandsofPSI)( hiinimumAvcr~Kc) . Claim1(polyetiter)Clalw2(epoxy)ClassJ(al llconc)class4(phrnollc)Cmnmcrchl ,. Typ(.DcblpwtionS2mdnrtlwetSland~rdWetF4a ndardwL!tStantl ~nditjcj ~C dltiO*#111250457065353060541A112-1505045 7065353060n541164540635832275448 IIA116-150454063583227 Ill54481206045706535306054Iv126453963563 2265447WA12S-1504539635632265447NU126-75 G4s39635632v2654471439078115110635210894 VA143-15000 2611511063621089-tvl1023530494525204236V n16435304945252042 VIIAtic1G4-150353049252042:MJVlll1815045 75; !]]

5 ~)TIN, :ctkmofthelam{ ~.. ~/CharacteristicAt1megacycle/aec( radlofrequency )Dielectricconstant(maxave)Losstangent( )At8,500to10,000megacycleslmx( darfrequenc~ )glDielectricconsmnt(maxave)bsL7tangent( ma%awe)Cliss1(polyester)-t5tan& (epqv)-1--StandanfImmersion:onditlonsCon ditions+ (silicone)San&dhnmerslon; ~/Ther~arenoelectricalrequirementsforCia sa4flniabedgfasscloth.~/ X:band , , ,theauppiiermayusehiaownnranyotherfacill tleesuitablefortheperformanceoftheinspec tionrequireme ( , ),lecgthexamlndon( ),andyard-by-yardexamimttion( ). (rolls) +etslistedinT+ (acceptancemmiber) (Yards)(Bolls)Defectsinkples(Max)UptaL30 0y3 ,200503,201to8,000708,001to22,00010 .022,001to110,000151110, ,eachmllofthelotsbailbeexamined.). ( )Colornotcharacteristicoftheapplled , , (3maximum,unieasotherwises+eci-fiedinthe orderingdata),oranypiscelessthanthepermi ttedminimumIesgtb(15yardsminimum,unfe88o tberwiaespecifiedintheorderingdata)shall beconsideredadefectwithregamitole& V,but,inaddition, ,exceptwheretwoormoredsfectsrepresentasi nglelocafconditionofthefabric, (AQL) ~ldsfcctsper100units(yards).}

6 Thenumberofrollsfrnmwhichthesampleiseele ctedsbalfbeinaccordancewithTableVandanap proximatelyequalnumberofsampleunits(yard s) ,thesampleunitasdtheunitofproductfordete rmininglotsizeabalfbeonefinearyard, !\;I!! ,ridgy,orwavyclothHole,cut,ortearspots,C treckc,3rstainsrenderorweak3patSmash3rok enormlss-agend9or>Icks?] [IlllngDescrlptionDistortedfmmhorizotiby ~Orethan3i*cheSfor36-iachwidthandproport ionatelyforotherwidthsClearlyvisible~13o rmoreyamsrupturedatadjoiningpointsClearl yvisible2 InchesormoreincombineddirectionsAlHearly v[siblelesstha~2inchesbutgreater:k ))10iIMIL-C-9084C\-(TABLEVD(Contfnued)De fectSelvagedefectsCreaseUnevenfinishBrit tleorfusedareaWidthDeacriptfonCurlednrfo ldedunderHardembeddedandfoldedoveronself Thinareaawherefinlatingcompoundismiss-in gorinsufficient,clearlyvtaible~/AnyExcee dingepeclficdtnlerance( )MajorxxxMinorxx~/ Clearlyvisible atnnrmalinapactiondistance(approximately 3feet).]

7 TABLEVIU SAMPLESUEFORTESTSOkFDilSH&DGLASSCIAITH +HEDGLASSCLOTHTestMethodCharacteristic ~~r +m~nt( ) ,_--___bilL-C-9~84 CTABLEIX(Coniinuet,RequirementTeatMethod Characteristic( ) !ze~1 TableIC0mmerci911 Includingcolordirec,tion-indicatoryarnsw herespecified( ).Supplier scertificate~ ( ),thetestrequirementsformechanicalproper ties( ),electrlca!properties( ),orbotbmecbanlcalandelectricalpropetile softhelaminatemayhesatis-fiedbythesuppli er ,ofidenticaltype,class,andflnisb, ( )orcertificationoflaminatepruperties( ),a!Jampleunit0(sufficientsizeforfabrica tinglaminatesinaccoh ,000yardsorfractionthereofoffinishedglas sclothintheInspection10C.~,~.4.~ (tensileandflexural) *.010lncbth[ck, ( ),excepttbscitshallbeinaccordancewiththe following:.)I12 III ..M3L-C-9084 CIII\1 (II .FinishedclothLaminatingreBlnc13ss1 PolyestercordormlngtoMIL-R-7575 CLSS2 EPOXY conformingtoMIL-R-93ooClasa3 SiliconeconformingtoMIL-R-25506 Class4 PhenolicconformingtoMfL-R-9299 Thelamlnateshallbelaidupandfullycuredina ccordancewiththeresinmanu-factursr sinstructionsheetata5aminatingpressureno texceeding30psiforClasses1,2, ,whenrequirsrLshallbepreparedinaccordw= , ~whenrequired,shallbeapanel4inchestideby 8incheslongbythethick-nesswhichhasbeende terminedasoptimumforthetest( ).))]

8 Whentheopti-mumtblckness1suncertai% ,rsslncontent,specificgravity,flnisb, ~ $1 C( F) ; (formechanicaltests). *1 , C(212 F)orless, (forelsctrfcaltetis~.Tbespeclmem@beimmer sedindistilledwaterat23*l ) L::beremovedfromthewater,thesurfacem?iat uresbalfbewipedoff,wadthetestsshalfbecon ductedImmediatelyat23~1-C. ,_) *T* ,exceptthatthete~tsofelectricalpropertie 9arenotApplicabletoClass4materials( ).TheAcceptableQualityLevelshallbazerodc fecttvesampleunits.(240sampleunitshallfa iltomeettherequiredavemgevxlueforanyappl icablelamlnatecharacteristic.) ,000m~ ( ), , [ ~deinaccomkmcewiththeprovisionsofPPP-P-1 333tudeterminecomplfamewftbthepaciaging, packfng,andma~ngrequ[remeutsU! (AQL)prescribedformypartofthequal[tycoa- formanceinspectionofproductinthisepecffl catiorqorifthepx-cpamtion-for-delive~sam plemntainsmoredefectsthanarepermittedbyt heAQLprescr[hedinPPP-P-1133, $ ( ).]]]]

9 CIottIofonetypeandclassonlyshallbeputupi nrollsandpackagedinwxordancewiththeappli cablerequirementsofPPP-P-1133,excepttbtt hemeansusedontherollsofclothturesrrainth erollsfromunwindingaballbelfmltcdtotypes whichwillnot&magetheglasscloth.~.~ ,B,orCasspecfffed( ). > ,)1 . at1megacyc]e/secStandardconditions( )TableN40213 Immersionconditions( ) ~entat1megacycle/aecStandardcondltious( )TableIV40213 Immersionconditions( )TableIV40213 Dielectricconstantat8500to10,000megacycl es/secstandardconditions.( )TableIV( ) mdlofrequem~ rnaterfals(test[requemy,1megacycleperssc onrf),waiverofthersqulrementsforpmpextle sat16).. d:..-.. <MIL-C-9084C8500to10, ,wtiex?!!!eflniehedclothmaybeIssued,aefr omstock,formiscellaneoususeswhich-Yiml~e mdfofrequency and ratirfrequency applications, , ( ) [cationmayresuftInsigdficantlyincreasedu nitcost,sxtendeddelive~time,orevenunavai lahilltyofmaterial, ,therefore, ,3, ,000megacyclespersecondIsavailableinARTC report ARTC-4 EIsc-tricalTeatProceduresforRadomesandRa dnmeMaterials(RevisedJuly1960), preparedbyAerospaceIndustriesAssociation ofAmerica,Inc.]

10 ,1725 DeSalesStreet,Washington, ,noattempthasbeenmadetoindicatebyrna%ina lIndiciawherechanges(addkions,mcd[ficati ons,corrections,deletions) ) 17,..,.IIIIIMIL-C-908 WCustodians:Navy-ASArmy-ELAlrForce-11 Prepnrlngactlvi~:Navy-AS( )Reviewactlvitles:Navy-SHArmY-EL,MR,MUAl rForce-82,45 DefenseSupplyAgemy- , ,d-circrdatlonshouldbebasedonthelaforrns -tionInthecurrentFederalSupplyClassU1cat ioaListing01 DoDStandafiizationDocuments.)4 18 NOI%: f%bformmaymotbcund~mqutieopiaofdocummb,n orfomqucatniun,dmistioas,orrtuifbttonofw uithtianr=qulmnt=honrurmnteontmets.( ~orinip! + at(a) ( #Ihh1/-)1 !{.(Folddo #lhb1-)DEPARTMENTOFTHENAVYyPIUNITEDmTATE sOFFICIALlUSINESlENALTYPO nlnlvATZu8 EEJOOBUSINE:SNoR~P+~M,M~~$FIRSTCLASSPO= TtiENAVYC omnrmdingOfficerNavalAirEngineeringCente rEngineeringSpecificationsbStnndards<Dep artment(ESSD)Code93 Lakehurst,NJ08733iIIIIII1 IIIIIIIIIIi1 1 IiIII,[1.]]}