16CFR part1610服用纺织品可燃性测试标准(原版标准双语对照)

16CFRpart1610服用纺织品可燃性测试标准(原版标准双语对照)16CFRpart1610服用纺织品可燃性测试标准(原版标准双语对照)16CFRpart1610服用纺织品可燃性测试标准(原版标准双语对照)资料仅供参考文件编号：2022年4月16CFRpart1610服用纺织品可燃性测试标准(原版标准双语对照)版本号：A修改号：1页次：1.0审核：批准:发布日期：PART1610—STANDARDFORTHEFLAMMABILITYOFCLOTHINGTEXTILESSubpartA—TheStandardSubpartB—RulesandRegulationsSubpartC—InterpretationsandPolicies1610部分—衣用纺织品易燃性标准子部分A——标准节.§目的、范围与适用性。§定义§测试方法概要§纺织品分级的要求§测试设备与材料§测试步骤§测试程序与分级标准§结果报告SubpartB—RulesandRegulationsSubpartC—InterpretationsandPolicies

SubpartA—TheStandard§Purpose,scopeandapplicability.(a)Purpose.Thepurposeofthisstandardistoreducedangerofinjuryandlossoflifebyproviding,onanationalbasis,standardmethodsoftestingandratingtheflammabilityoftextilesandtextileproductsforclothinguse,therebyprohibitingtheuseofanydangerouslyflammableclothingtextiles.(b)Scope.TheStandardprovidesmethodsoftestingtheflammabilityofclothingandtextilesintendedtobeusedforclothing,establishesthreeclassesofflammability,setsforththerequirementswhichtextilesshallmeettobeclassified,andwarnsagainsttheuseofthosetextileswhichhaveburningcharacteristicsunsuitableforclothing.Hereafter,‘‘clothingandtextilesintendedtobeusedforclothing’’shallbereferredtoas‘‘textiles.’’(c)Specificexceptions.Thisstandardshallnotapplyto:(1)Hats,providedtheydonotconstituteorformpartofacoveringfortheneck,face,orshoulderswhenwornbyindividuals;(2)Gloves,providedtheyarenotmorethan14inchesinlengthandarenotaffixedtoordonotformanintegralpartofanothergarment;(3)Footwear,provideditdoesnotconsistofhosieryinwholeorpartandisnotaffixedtoordoesnotformanintegralpartofanothergarment;(4)Interliningfabrics,whenintendedorsoldforuseasalayerbetweenanoutershellandaninnerlininginwearingapparel.(d)Specificexemptions.ExperiencegainedfromyearsoftestinginaccordancewiththeStandarddemonstratesthatcertainfabricsconsistentlyyieldacceptableresultswhentestedinaccordancewiththeStandard.Therefore,personsandfirmsissuinganinitialguarantyofanyofthefollowingtypesoffabrics,orofproductsmadeentirelyfromoneormoreofthesefabrics,areexemptfromanyrequirementfortestingtosupportguarantiesofthosefabrics:(1)Plainsurfacefabrics,regardlessoffibercontent,weighingouncespersquareyardormore;and(2)Allfabrics,bothplainsurfaceandraised-fibersurfacetextiles,regardlessofweight,madeentirelyfromanyofthefollowingfibersorentirelyfromcombinationofthefollowingfibers:acrylic,modacrylic,nylon,olefin,polyester,wool.

子部分A——标准§目的、范围与适用性。(a)目的。本标准的目的是通过以国家为基础对用于服装的纺织品及纺织产品易燃性标准测试及评价方法的规定，从而防止一切具有危险易燃性的服装用纺织品的使用，以减少受伤风险及生命损失。(b)范围。本标准规定了拟用于衣着的服装及纺织品易燃性的测试方法，制定了易燃性的三个级别，提出纺织品分级应符合的要求，并对具有不宜用于衣着的易燃特质的纺织品的使用作出了警示。下文所提及“纺织品”均指“拟用于衣着的服装及纺织品”。(c)特例。本标准不适用于：(1)帽子，当个人穿戴时不构成或形成遮盖颈部、脸部或肩部的部件。(2)手套，当长度不超过14英寸且不附加于或构成另一衣物完整的一部分时。(3)鞋类，当部分或全部不由针织品构成且不附加于或构成另一衣物完整的一部分时。(4)夹层织物，当作为处于衣服外壳层及内里布的中间层使用或销售时。(d)豁免。据多年按照标准进行测试的经验表明，对某些织物按照标准进行的测试一贯得到可接受的结果。因此当个人或企业对下列任何类型的织物或完全由其中一种或多种织物制成的产品作出初始保证时，则可豁免任何测试要求以支持这些织物的保证：(1)表面平整织物，不论所含纤维种类，克重大于或等于2.6oz/yd²的；以及(2)所有织物，包括表面平整纺织品及表面起绒纺织品，不论重量，完全由以下纤维或以下纤维混合制成：腈纶，改性腈纶，锦纶，烯烃，涤纶，羊毛。

(e)Applicability.Therequirementsofthispart1610shallapplytotextilefabricorrelatedmaterialinaformorstatereadyforuseinanarticleofwearingapparel,includinggarmentsandcostumesfinishedforconsumeruse.§Definitions.InadditiontothedefinitionsgiveninSection2oftheFlammableFabricsActasamended(151191),thefollowingdefinitionsapplyforthispart1610.(a)Baseburn(alsoknownasbasefabricignitionorfusing)meansthepointatwhichtheflameburnstheground(base)fabricofaraisedsurfacetextilefabricandprovidesaself-sustainingflame.Baseburns,usedtoestablishaClass3fabric,arethoseburnsresultingfromsurfaceflashthatoccuronspecimensinplacesotherthanthepointofimpingementwhenthewarpandfillyarnsofaraisedsurfacetextilefabricundergocombustion.Baseburnscanbeidentifiedbyanopacitychange,scorchingonthereversesideofthefabric,orwhenaphysicalholeisevident.(b)Burntimemeansthetimeelapsedfromignitionuntilthestopthreadisseveredasmeasuredbythetimingmechanismofthetestapparatus.(c)Drycleaningmeansthecleaningofsamplesinacommercialdrycleaningmachineundertheconditionsdescribedin§.(d)Filmmeansanynon-rigid,unsupportedplastic,rubberorothersyntheticornaturalfilmorsheeting,subjecttotheAct,oranycombinationthereof,includingtransparent,translucent,andopaquematerial,whetherplain,embossed,molded,orotherwisesurfacetreated,whichisinaformorstatereadyforuseinwearingapparel,andshallincludefilmorsheetingofanythickness.(e)Flammabilitymeansthosecharacteristicsofamaterialthatpertaintoitsrelativeeaseofignitionandrelativeabilitytosustaincombustion.(f)Flameapplicationtimemeansthe1secondduringwhichtheignitionflameisappliedtothetestspecimen.(g)Ignitionmeansthatthereisaselfsustainingflameonthespecimenafterthetestflameisremoved.(h)Interliningmeansanytextilewhichisintendedforincorporationintoanarticleofwearingapparelasalayerbetweenanoutershellandaninnerlining.(i)Launderingmeanswashingwithanaqueousdetergentsolutionandincludesrinsing,extractionandtumbledrying

(e)适用性。1610部分的要求应用于将用以供消费者使用的衣用服装包括衣服与戏服的具有相应形式或状态的纺织织物或相关材料。§定义作为修订版《可燃织物法案》(151191)第二节中所给出定义的补充，下列定义适用于1610部分。(a)底布燃烧（亦即织物底布点燃或熔化）指火焰在表面起毛纺织织物底部处某点处点燃并产生持续燃烧的火焰。底布燃烧用以判断Class3分级织物，即由于表面起毛纺织织物试样的表面闪燃造成非火焰击点处经纬纱点燃的燃烧现象。底布燃烧可经由不传导变化、织物反面烧焦或出现物理破洞来识别。(b)燃烧时间指测试仪器的计时器测得的从点燃直到停止线烧断所经历的时间。(c)干洗指用商用干洗机根据§所述条件对试样的洗涤。(d)薄膜指受《法案》管制的一切非刚性、无支撑的塑料、橡胶或其他合成或天然的薄膜或覆盖层或由上述材料混合构成包括透明、半透明和不透明的材料，无论是平面、浮饰、模塑或经表面处理的，具有一定形式或状态的可用于衣用服装，并应包括任意厚度的薄膜或覆盖层。(e)易燃性指材料具有的相对易被点燃及相对能支持燃烧的特性。(f)火焰作用时间指火源在试样上所作用的1秒钟时间。(g)点燃指试样在测试火焰移除后产生持续燃烧的火焰。(h)夹层指任何作为衣用服装中外壳层与内里布之间的纺织品。(i)洗涤指用§所述的洗涤剂进行洗涤，包括清洗、脱水与甩干。

asdescribedin§.(j)Longdimensionmeansthe150mm(6in)lengthoftestspecimen.(k)Plainsurfacetextilefabricmeansanytextilefabricwhichdoesnothaveanintentionallyraisedfiberoryarnsurfacesuchasapile,nap,ortuft,butshallincludethosefabricsthathavefancywoven,knittedorflock-printedsurfaces.(l)Raisedsurfacetextilefabricmeansanytextilefabricwithanintentionallyraisedfiberoryarnsurface,suchasapile,includingflockedpile,nap,ortufting.(m)Refurbishingmeansdrycleaningandlaunderinginaccordancewith§.(n)Samplemeansaportionofalotofmaterialwhichistakenfortestingorforrecordkeepingpurposes.(o)Specimenmeansa50mmby150mm(2inby6in(p)StopthreadsupplymeansNo.50,white,mercerized,100%cottonsewingthread.(q)Surfaceflashmeansarapidburningofthepilefibersandyarnsonaraisedfibersurfacetextilethatmayormaynotresultinbaseburning.(r)TextilefabricmeansanycoatedoruncoatedmaterialsubjecttotheAct,exceptfilmandfabricshavinganitrocellulosefiber,finish,orcoating,whichiswoven,knitted,feltedorotherwiseproducedfromanynaturalormanmadefiber,orsubstitutetherefore,orcombinationthereof,of50mm(2in)ormoreinwidth,andwhichisinaformorstatereadyforuseinwearingapparel,includingfabricswhichhaveundergonefurtherprocessing,suchasdyeingandfinishing,ingarmentform,forconsumeruse.§Summaryoftestmethod.TheStandardprovidesmethodsoftestingtheflammabilityoftextilesfromorintendedtobeusedforapparel;establishesthreeclassesofflammability;setsforththerequirementsforclassifyingtextiles;andprohibitstheuseofsingleormulti-layertextilefabricsthathaveburningcharacteristicsthatmakethemunsuitableforapparel.Alltextilesshallbetestedbeforeandafterrefurbishingaccordingto§.Eachspecimencutfromthetextileshallbeinsertedinaframe,brushedifithasaraised-fibersurface,andheldinaspecialapparatusatanangleof45.Astandardizedflameshallbeappliedtothesurfacenearthelowerendofthespecimenfor1second,andthetime

(j)长度方向指测试样品150mm(6in)的长度。(k)表面平整纺织织物指任何表面无有意起毛或起纱如起绒、拉毛、簇绒的纺织织物。但应包括表面有机织、针织提花或表面浮雕印花的织物。(l)表面起毛纺织织物指任何表面有有意起毛或起纱的纺织织物，如起绒，包括棉束起绒、拉毛或簇绒。(m)整新指按照§进行干洗与水洗。(n)样本指以用于测试或保存记录为目的的一批材料中的一份。(o)试样指样本中50mm×150mm(2in×6in)的一段。(p)停止线源指白色丝光的100%棉缝纫线。(q)表面闪燃指纺织品起毛表面的纤维丛或纱线丛发生快速燃烧并可能或不会引起底布燃烧。(r)纺织织物指受《法案》管制的任何有表面涂层或无表面涂层的材料，但含硝化纤维或经其整理或涂层的薄膜和织物除外，可以是机织、针织、粘结的，由任何天然或人造纤维或其替代物混合制成，横向应有50mm(2in)或以上，具备可应用于衣用服装的形式或状态，包括已完成后整理的织物，例如供消费者使用的以服装形式进行的染色与整理。§测试方法概要本标准给出了取自服装或将用于服装的纺织品易燃性的测试方法；制定了易燃性的三个分级；提出了分级的要求；并禁止具有不适宜用于服装的燃烧特征的单层或多层纺织品的使用。所有纺织品应在根据§进行整新之前和之后进行测试。从纺织品上剪下的每个试样须用框架夹持，若有起毛表面应先刷毛，并以45°的角度放置在一个专门的设备中。试样表面底端附近用一标准火焰燃烧1秒，记录下火焰向上燃烧127mm(5in)的距离所使用的时间，并记录下表面起毛纺织织物是否发生底布燃烧或熔化。

Requiredfortheflametoproceedupthefabricadistanceof127mm(5in)shallberecorded.Anotationshallbemadeastowhetherthebaseofaraised-surfacetextilefabricignitesorfuses.§Requirementsforclassifyingtextiles.(a)Class1,NormalFlammability.Class1textilesexhibitnormalflammabilityandareacceptableforuseinclothing.Thisclassshallincludetextileswhichmeettheminimumrequirementssetforthinparagraph(a)(1)orparagraph(1)Plainsurfacetextilefabric.Suchtextilesintheiroriginalstateand/orafterbeingrefurbishedasdescribedin§(a)and§(b),whentestedasdescribedin§shallbeclassifiedasClass1,Normalflammability,whentheburntimeissecondsormore.(2)Raisedsurfacetextilefabric.Suchtextilesintheiroriginalstateand/orafterbeingrefurbishedasdescribedin§(a)and§(b),whentestedasdescribedin§,shallbeclassifiedasClass1,Normalflammability,whentheburntimeismorethan7seconds,orwhentheyburnwitharapidsurfaceflash(0to7seconds),providedtheintensityoftheflameissolowasnottoigniteorfusethebasefabric.(b)Class2,Intermediateflammability.Class2fabrics,applicableonlytoraised-fibersurfacetextiles,areconsideredtobeofintermediateflammability,butmaybeusedforclothing.Thisclassshallincludetextileswhichmeettheminimumrequirementssetforthinparagraph(b)(2)ofthissection.(1)Plainsurfacetextilefabric.Class2isnotapplicabletoplainsurfacetextilefabrics.(2)Raisedsurfacetextilefabric.Suchtextilesintheiroriginalstateand/orafterbeingrefurbishedasdescribedin§(a)and§(b),whentestedasdescribedin§,shallbeclassifiedasClass2,Intermediateflammability,whentheburntimeisfrom4through7seconds,bothinclusive,andthebasefabricignitesorfuses.(c)Class3,Rapidandintenseburning.Class3textilesexhibitrapidandintenseburning,aredangerouslyflammableandshallnotbeusedforclothing.Thisclassshallincludetextileswhichhaveburningcharacteristicsasdescribedinparagraphs(c)(1)and(c)(2)ofthissection.Suchtextilesareconsidereddangerouslyflammablebecauseoftheirrapidand

§纺织品分级的要求(a)Class1，一般易燃性。1级纺织品呈现出一般易燃性且可在衣物上使用。本分类应包含符合本节(a)(1)或(a)(2)段落所述最低要求的纺织品。(1)表面平整纺织织物。该类纺织品在原始状态下并/或经过如§(a)与§(b)所述程序进行整新后，按照§所述进行测试，当燃烧时间为秒或更多时应被归类为Class1，一般易燃性。(2)表面起毛纺织织物。该类纺织品在原始状态下并/或经过如§(a)与§(b)所述程序进行整新后，按照§所述进行测试，当燃烧时间大于7秒或当火焰较小而不点燃或熔化底布时发生快速表面闪燃(0-7秒)时，应被归类为Classs1，一般易燃性。(b)Class2，中度易燃性。2级织物只适用于表面起毛纺织品，被认为具有中度易燃性，但仍可能用于衣物。本分类应包含符合本节(b)(2)段落所述最低要求的纺织品。(1)表面平整纺织织物。Class2不适用于表面平整纺织织物。(2)表面起毛纺织织物。该类织物在原始状态下并/或经过如§(a)与§(b)所述程序进行整新后，按照§所述进行测试，当燃烧时间为4到7秒（含），且底布燃烧或熔化，应被归类为Class2，中度易燃性。(c)Class3，快速且剧烈燃烧。3级纺织品呈现出快速且剧烈的燃烧，属危险可燃且不宜用于衣物。本分类应包括如本节(c)(1)与(c)(2)段落所述燃烧特征的纺织品。此类纺织品由于其快速且剧烈的燃烧被认为是危险可燃的。

intenseburning.(1)Plainsurfacetextilefabric.Suchtextilesintheiroriginalstateand/orafterrefurbishingasdescribedin§(a)and§(b),whentestedasdescribedin§,shallbeclassifiedasClass3RapidandIntenseBurningwhenthetimeofflamespreadislessthanseconds.(2)Raisedsurfacetextilefabric.Suchtextilesintheiroriginalstateand/orafterrefurbishingasdescribedin§(a)and§(b),whentestedasdescribedin§,shallbeclassifiedasClass3RapidandIntenseBurningwhenthetimeofflamespreadislessthan4seconds,andthebasefabricstartsburningatplacesotherthanthepointofimpingementasaresultofthesurfaceflash(testresultcodeSFBB).§Testapparatusandmaterials.(a)Flammabilityapparatus.Theflammabilitytestapparatusconsistsofadraft-proofventilatedchamberenclosingastandardizedignitionmechanism,samplerack,andautomatictimingmechanism.Theflammabilityapparatusshallmeettheminimumrequirementsfortestingasfollows.(1)Testchamber—(i)Testchamberstructure.Thetestchambershallbeametal,draft-proofventilatedchamber.Thetestchambershallhaveinsidedimensionsof35.3cmhighby36.8cmwideby21.6cmdeep(14inby14.5inby8.5in).Thereshallbeelevenortwelve12.7mmdiameter(0.5in)holesequidistantalongtherearofthetopclosure.Thefrontofthechambershallbeaclosefittingdoorwithaninsertmadeofclearmaterial.,glass,plexiglass)topermitobservationoftheentiretest.Aventilatingstripisprovidedatthebaseofthedoorinthefrontoftheapparatus.ThetestchambertobeusedinthistestmethodisillustratedinFigures1and2ofthispart.(ii)Specimenrack.Thespecimenrackprovidessupportforthespecimenholder(describedinparagraph(a)(1)(iii)ofthissection)inwhichthespecimenismountedfortesting.Theangleofinclinationshallbe45.Twoguidepinsprojectingdownwardfromthecenterofthebaseoftheracktravelinslotsprovidedinthefloorofthechambersothatadjustmentcanbemadeforthethicknessofthespecimeninrelationtothetestflame.Astopshallbeprovidedinthebaseofthechambertoassistinadjustingthepositionoftherack.Thespecimenrackshallbeconstructedsothat:Itsupportsthespecimenholderinawaythatdoesnotobstructairflow

(1)表面平整纺织织物。该类纺织品在原始状态下并/或经过如§(a)与§(b)所述程序进行整新后，按照§所述进行测试，当火焰蔓延速度小于秒时，应被归类为Class3，快速且剧烈燃烧。(2)表面起毛纺织织物。该类纺织品在原始状态下并/或经过如§(a)与§(b)所述程序进行整新后，按照§所述进行测试，当火焰蔓延时间小于4秒，且底布由于表面闪燃而在非火焰击点处开始燃烧时，应被归类为Class3，快速且剧烈燃烧（测试结果代码SFBB）。§测试设备与材料(a)易燃性设备。易燃性测试设备由一个内含标准点火器、样品架、自动计时器的防风通气橱构成。该易燃性设备应符合下述最低测试要求：(1)测试橱——(i)测试橱结构。测试橱应是金属的、防风通气橱。测试橱内部尺寸应为高35.3cm，宽36.8cm，深21.6cm（14××英寸）。沿顶部盖板边缘应均匀排列有11个或12个直径12.7mm（英寸）的孔。橱前部应有一嵌入式的密闭门，由透明材料（如玻璃、塑胶玻璃）制成，以便观察到整个测试过程。设备前部门的底下设有一通气轨道。本测试方法使用的测试橱如本部分附图1与图2所示。(ii)试样架。试样架为装载测试试样的试样夹（见本节(a)(1)(iii)段落描述）提供支撑。倾斜的角度应为45°。试样架基底中央有二个导针向下通过橱底部的滑槽移动，因而可以调整不同厚度的试样与测试火焰之间的距离关系。橱的基部应有一停止器用以校正试样架的位置。试样架应如是构造：以不阻断织物试样底部边缘周围空气流动的方式支撑试样夹；且织物试样在火焰击打时能恰当地与点火器尖端对齐。本测试方法所使用的试样架如本部分图1至3所示。可移动架：参照制造商说明书中关于移动试样架到与指示指针对齐的恰当位置的调整程序。

aroundthebottomedgeofthefabricspecimen;andthefabricspecimenisproperlyalignedwiththeignitertipduringflameimpingement.ThespecimenracktobeusedinthistestmethodisillustratedinFigures1through3ofthispart.Movablerack:Refertothemanufacturers’instructioninrelationtotheadjustmentproceduretomovetherackintotheappropriatepositionfortheindicatorfingeralignment.(iii)Specimenholder.Thespecimenholdersupportsandholdsthefabricspecimen.Thespecimenholdershallconsistoftwo2mm(0.06in)thickUshapedmatchedmetalplates.Theplatesareslottedandlooselypinnedforalignment.Thespecimenshallbefirmlysandwichedinbetweenthemetalplateswithclampsmountedalongthesides.Thetwoplatesoftheholdershallcoverallbut3.8cm(1.5in)ofthewidthofthespecimenforitsfulllength.SeeFigures1and3ofthispart.Thespecimenholdershallbesupportedinthedraft-proofchamberontherackatanangleof45.(iv)Indicatorfinger.Thepositionofthespecimenrack(describedinparagraph(a)(1)(ii)ofthissection)shallbeadjusted,sothetipoftheindicatorfingerjusttouchesthesurfaceofthespecimen.Anindicatorfingerisnecessarytoensurethatthetipofthetestflamewillimpingeonthespecimenduringtesting.TheindicatorfingertobeusedinthistestmethodisillustratedinFigures1,2and4ofthispart.(v)Ignitionmechanism.Theignitionmechanismshallconsistofamotordrivenbutanegasjetformedarounda26-gaugehypodermicneedleandcreatesthetestflame.Thetestflameshallbeprotectedbyashield.SeeFigure5.Thetestflameisadjustedto16mm(0.625in)andappliedtothespecimenfor1second.Atriggerdeviceislocatedinthefrontoftheapparatus,thepullingorpushingofwhichactivatesthetestflameimpingementandtimingdevice.Electro-mechanicaldevices.,servo-motors,solenoids,microswitches,andelectroniccircuits,inadditiontomiscellaneouscustommadecamsandrods,shockabsorbinglinkages,andvariousothermechanicalcomponents)canbeusedtocontroland6ofthispart.(vi)Draftventilatorstrip.Adraftventilatorstripshallbeplacedacrossthefrontopening,sealingthespacebetweentheslidingdoorwheninloweredpositionandthebaseonwhichthegridrackisattached.(SeeFigure1ofthispart.)(vii)Stopweight.Theweight,attachedbymeansofaclipto

(iii)试样夹。试样夹支撑并夹持住织物试样。试样夹应包括二块厚2mm英寸)的U型适配金属板。两块板应对齐开槽并较松弛地别住。试样应紧夹于板间并用夹子沿两边夹住。试样夹的两块板应盖住试样除宽度上的3.8cm英寸)以外所有的长度。见本部分图1与图3。试样夹应在防风通气橱内的架子上呈45°角放置。(iv)指示指针。试样架（如本节(a)(1)(ii)段落所述）的位置需要调整，使指示指针的顶端恰好接触到试样的表面。指示指针的必要性在于保证测试过程中测试火焰能击中试样。本测试方法所使用的指示指针如本部分图1，图2与图4所示。(v)点火器。点火器应由一个用马达驱动的装有26号针头的丁烷气体喷嘴构成并产生测试火焰。测试火焰应由一遮蔽盾保护。见图5。测试火焰调整到16mm英寸)并在试样上作用1秒。设备前部安装一个触发装置，其拉或推会激活测试火焰的击打动作及计时装置。电动装置（如伺服电机、螺线管、微动开关及电子线路，还有各种各样定制的凸轮和传杆，减震联动装置，以及各种其他的机械部件）可用于控制和驱使火焰击打点火。见本部分图6。(vi)通气轨道。通气轨道应位于前部开口处，封住滑动门在低处时与栅状架所依附的基部之间的空间。（见本部分图1）。(vii)重锤。重锤通过夹子与停止线相连结。下落时激活计

thestopthread,indroppingactuatesthestopmotionforthetimingmechanism.Theweightshallbe30g5g(1.16oz.0.18(viii)Door.Thedoorshallbeaclear.glassorplexiglass)door,closefittingandallowsforviewingoftheentiretest.(ix)Hood.Thehoodorothersuitableenclosureshallprovideadraft-proofenvironmentsurroundingthetestchamber.Thehoodorothersuitableenclosureshallhaveafanorothermeansforexhaustingsmokeand/orfumesproducedbytesting.(2)Stopthreadandthreadguides—(i)Stopthread.Thestopthreadshallbestretchedfromthespoolthroughsuitablethreadguidesprovidedonthespecimenholderandchamberwalls.(ii)Stopthreadsupply.Thissupply,consistingofaspoolofNo.50,white,mercerized,100%cottonsewingthread,shallbefastenedtothesideofthechamberandcanbewithdrawnbyreleasingthethumbscrewholdingitinposition.(iii)ThreadGuides.Thethreadguidespermitthelacingofthestopthreadintheproperpositionexactly127mm(5in)fromthepointwherethecenteroftheignitionflameimpingesonthetestspecimen.Thestopthreadshallbe9.5mm(0.37in)aboveandparalleltothelowersurfaceofthetopplateofthespecimenholder.Thisconditioncanbeachievedeasilyandreproduciblywiththeuseofathreadguidepopularlyreferredtoasa‘‘skyhook’’suspendeddownfromthetoppanelalongwithtwoL-shapedthreadguidesattachedtotheupperendofthetopplateofthespecimenholder.Twootherthreadguidescanbeinstalledontherearpaneltodrawthethreadawayfromdirectlyheightof9.5mm(0.37in)forthestopthreadandnotthenumber,placementordesignofthethreadguides.(iv)Stopweightthreadguide.Thisthreadguideshallbeusedtoguidethestopthreadwhenattachingthestopweight.(3)Supplyfortestflame.(i)Thefuelsupplyshallbeacylinderofchemicallypure(c.p.)butane.(ii)Thefuel-tankcontrolvalveshallconsistofasensitivecontroldeviceforregulatingthefuelsupplyatthetank.(iii)Theflowcontroldevice,suchasamanometerorflowmeter,shallbesufficienttomaintainaconsistentflamelengthof16mm(⁄in(4)TimingDevice.Thetimingdeviceconsistsofatimer,drivingmechanismandweight.Thetimer,bymeansof

时器的停止动作。其重量应为30g±5g(1.1602oz±0.18oz(viii)门。门应为透明（如玻璃或塑料玻璃）门，密闭的并能够看到整个测试过程。(ix)气罩。气罩或其他适当的外壳应为测试橱四周提供一个防风环境。气罩或其他适当的外壳应有排气扇或其他方式以排尽测试中产生的烟雾与/或烟灰。(2)停止线与导线器——(i)停止线。停止线应从线卷上经由试样夹及橱壁上提供的匹配的导线器延展开。(ii)停止线源。线源含一卷白色丝光纯棉缝纫线，应固定在橱内壁上并可在螺钉支持下在原位退绕。(iii)导线器。导线器使得停止线横跨在一个刚好离点火火焰中心在试样上的击点恰好为127mm(5英寸)的位置上。停止线应在试样夹顶板较低表面上方9.5mm英寸)并与之平行。通过使用一种从顶板向下悬挂的常被称为“顶钩”的导线器连同附着在试样夹顶板较上端的两个L形导线器可以容易且可复现地达到这种情况。其余的两个导线器可安装在后板上使线远离测试火焰正上方。其中关键的要素是停止线的固定高度9.5mm英寸)而不是导线器的数量、位置或造型。(iv)重锤导线器。该导线器用于挂上重锤时引导停止线。(3)测试火源。(i)燃料应为罐装化学纯(c.p)正丁烷。(ii)气槽控制阀应包含一个感应控制装置以控制槽中的气体供给。(iii)流量控制装置，如压力计或流量计，应有效地使火焰长度始终保持16mm(5/8英寸)。(4)计时装置。计时装置包括一个计时器、驱动器和重锤。计时器通过特殊的附件与气体喷嘴相连并激活计

specialattachments,isactuatedtostartbyconnectionwiththegasjet.Atriggerdevice(describedinparagraph(a)(1)(v)ofthissection)activatestheflameimpingement,causingthedrivingmechanismtomovethegasjettoitsmostforwardpositionandautomaticallystartsthetimeratthemomentofflameimpactwiththespecimen.Thefallingweight,whencausedtomovebyseveranceofthestopthread,stopsthetimer.Timeshallbereaddirectlyandrecordedasaburntime.Readburntimetosecond.Anelectronicormechanicaltimercanbeusedtorecordtheburntime,andelectro-mechanicaldevices.,servomotors,solenoids,micro-switches,andelectroniccircuits,inadditiontomiscellaneouscustommadecamsandrods,shockabsorbinglinkages,andvariousothermechanicalcomponents)canbeusedtocontrolandapplytheflameimpingement.(b)Specimenpreparationequipmentandmaterials—(1)Laboratorydryingoven.Thisshallbeaforcedcirculationdryingovencapableofmaintaining1053C(2215F)for302minutestodrythespecimenswhilemountedin(2)Desiccator.Thisshallbeanairtightandmoisturetightchambercapableofholdingthespecimenshorizontallywithoutcontactingeachotherduringthecoolingperiodfollowingdrying,andshallcontainsilicageldesiccant.(3)Desiccant.Anhydroussilicagelshallbeusedasthedesiccant.(4)Automaticwashingmachine.Theautomaticwashingmachineshallbeasdescribedin§(b)(1)(ii).(5)Automatictumbledryer.Theautomatictumbledryershallbeasdescribedin§(b)(1)(ii).(6)Commercialdrycleaningmachine.Thecommercialdrycleaningmachineshallbecapableofprovidingacompleteautomaticdry-to-drycycleusingperchloroethylenesolventandacationicdrycleaningdetergentasspecifiedin§(b)(1)(i).(7)Drycleaningsolvent.Thesolventshallbeperchloroethylene,commercialgrade.(8)Drycleaningdetergent.Thedrycleaningdetergentshallbecationicclass.(9)Launderingdetergent.Thelaunderingdetergentshallbeasspecifiedin§(b)(1)(ii).(10)Brushingdevice.Thebrushingdeviceshallconsistofabaseboardoverwhichasmallcarriageisdrawn.SeeFigure7ofthispart.Thiscarriagerunsonparalleltracksattachedto

时。触发装置（如本节(a)(1)(v)段落所述）激活火焰击打动作，使得驱动装置移动气体喷嘴到其最前端并在火焰接触试样时自动启动计时器。重锤在导线断开时下落使计时器停止。应能直接读取时间并记录作为燃烧时间，精确到秒。记录燃烧时间可使用电子式或机械式计时器，而控制并驱使火焰击打作用可使用机电一体化设备（如如伺服电机、螺线管、微动开关、及电子线路，还有各种各样定制的凸轮和传杆，减震联动装置，以及各种其他的机械部件）。(b)制样设备与材料——(1)实验室干燥烘箱。该烘箱应为强制循环干燥烘箱且能提供30±2分钟105±3℃(221±5℉)(2)干燥防潮器。应为一具有空气密闭性及湿度密闭性的橱并能容纳下在干燥之后的冷却过程中水平放置且各自互不相接触的试样，还应含有硅胶干燥剂防潮珠。(3)干燥吸湿剂。使用无水硅胶珠作为干燥吸湿剂。(4)自动洗衣机。该自动洗衣机应如§(b)(1)(ii)所描述。(5)自动干燥机。该自动干燥机应如§(b)(1)(ii)所描述。(6)商用干洗机。该商用干洗机应能提供一个自动的干洗循环，使用四氯乙烯溶剂和如§(b)(1)(i)所述的阳离子干洗洗涤剂。(7)干洗洗涤溶剂。该溶剂应为四氯乙烯，商业级。(8)干洗洗涤剂。该干洗洗涤剂应为阳离子类。(9)洗涤剂。该洗涤剂应如§(b)(1)(ii)所述。(10)刷毛装置。该刷毛装置应包含一个底板及能在其上方滑动的小滑车。见本部分图7。该小滑车在底板上表面边缘的平行轨道上滑动。刷子用针杆固定在底板下部边

theedgesoftheuppersurfaceofthebaseboard.Thebrushishingedwithpinhingesattherearedgeofthebaseboardandrestsonthecarriageverticallywithapressureof150gflbf).Thebrushshallconsistoftworowsofstiffnylonbristlesmountedwiththetuftsinastaggeredposition.Thebristlesare0.41mm(0.016in)indiameterand19mm(0.75in)inlength.Thereare20bristlespertuftand4tuftsperinch.SeeFigure8ofthispart.Aclampisattachedtotheforwardedgeofthemovablecarriagetopermitholdingthespecimenonthecarriageduringthebrushingoperation.Thepurposeofthemetalplateor‘‘template’’onthecarriageofthebrushingdeviceistosupportthespecimenduringthebrushingoperation.Thetemplateshallbe3.2mm(0.13in)thick.SeeFigure9ofthispart.§Testprocedure.Thetestprocedureisdividedintotwosteps.Step1istestingintheoriginalstate;Step2istestingafterthefabrichasbeenrefurbishedaccordingtoparagraph(b)(1)ofthissection.(a)Step1—Testingintheoriginalstate.(1)Testsshallbeconductedonthefabricinaformorstatereadyforuseinwearingapparel.Determinewhetherthefabrictobetestedisaplainsurfacetextilefabricoraraisedsurfacetextilefabricasdefinedin§(k)and(l).Therearesomefabricsthatrequireextraattentionwhenpreparingtestspecimensbecauseoftheirparticularconstructioncharacteristics.Examplesofthesefabricsareprovidedinparagraphs(a)(1)(i)through(vi)ofthissectionalongwithguidelinesforpreparingspecimensfromthesefabrics.Thisinformationisnotintendedtobeall-inclusive.(i)Flockedfabrics.Fabricsthatareflockedoverallaretreatedasraisedsurfacetextilefabricsasdefinedin§(l).Flockprintedfabrics(usuallyinapatternandnotcoveringtheentiresurface)shallbetreatedasplainsurfacetextilefabricsasdefinedin§(k).(ii)Cutvelvetfabrics.Cutvelvetfabricswithapatternedconstructionshallbeconsideredaraisedsurfacetextilefabricasdefinedin§(l).(iii)Metallicthreadfabrics.Metallicthreadfabricsshallbeconsideredplainsurfacetextilefabricsprovidedthebasefabricissmooth.Thespecimensshallbecutsothatthemetallicthreadisparalleltothelongdimensionofthe

缘，并以150gflbf)的压力垂直停靠在小滑车上。刷子应有两排硬质尼龙刷毛且使毛簇交错排列。刷毛直径为0.41mm英寸)，长19mm英寸)。每个毛簇有20根刷毛，每英寸有4个毛簇。见本部分图8。可移动的小滑车前部边缘附有一个夹子以在刷毛动作中使试样固定在小滑车上。刷毛装置小滑车上的金属板或“模板”的目的在刷毛操作中支撑住试样。该模板厚度应为3.2mm英寸)。见本部分图9。§测试步骤测试步骤分为两步。第一步是测试原样；第二步是依照本节(b)(1)段落所述进行整新后对织物进行测试。(a)第一步——测试原样。(1)测试应对具有服装形态或具有拟用于衣用状态的织物进行。根据§(k)和(l)所述判断即将测试的织物是表面平整纺织织物或是表面起毛纺织织物。当准备测试试样时有若干类织物由于特殊构造因素需要额外注意。此类织物的例子列举于本节(a)(1)(i)到(vi)段落中，包括了此类织物试样准备的指导方针。这些内容并未囊括全部。(i)植绒织物。依§(l)的定义，整体植绒的织物应视为表面起毛纺织织物。依§(k)的定义，印绒织物（通常有花样且不覆盖全部表面）应视为表面平整纺织织物。(ii)割绒织物。依§(l)的定义，有花样构造的割绒织物应视为表面起毛纺织织物。(iii)金属线织物。当金属线织物的地组织为光滑面时应视为表面平整织物。剪试样时应使金属线与试样长度方向平行并调整到令测试时火焰能击中金属线。

specimenandarrangedsothetestflameim