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ASTM D3774-96-R2012

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ASTM D3774-96-R2012

面料厚度测试标准

D3774–96(Reapproved2012)

superscriptepsilon()indicatesaneditorialchangesincethelastrevisionorreapproval的。
ThisstandardhasbeenapprovedforusebyagenciesoftheDepartmentofDefense。
1。适用范围
1.1Thistestmethodcoversthemeasurementofthewidthof
面料,pileornappedsurfacewidth,orboth.Themethodis次
applicabletofullrolls,boltsoffabric andshortspecimens
removedfromarollorbolt.Unlessotherwisespecified,
measurementsshallincludetheselvageswhenpresent。
1.2Themethodofferstwooptions:
1.2.1可选择的FullRollorBolt。
1.2.2 OptionB ShortSpecimenRemovedfromFullRoll的
orBolt。
1.3Thevalues​​statedineitherSIunitsorU.S.customary
unitsaretoberegardedasstandard.TheU.S.customaryunits
maybeapproximate。
1.4 Thisstandarddoesnotpurporttoaddressallofthe
safetyconcerns ifany,associatedwithitsuse.Itisthe
responsibilityoftheuserofthisstandardtoestablishappro
priatesafetyandhealthpracticesanddeterminetheapplica
bilityofregulatorylimitationspriortouse。
2.ReferencedDocuments
2.1 ASTMStandards:
2
D123 TerminologyRelatingtoTextiles
D1776 PracticeforConditioningandTestingTextiles
2.2 OtherStandard:
ANSI/ASQCZ1.4-InspectionbyAttributes3
3.Terminology
3.1Thefollowingtermsarerelevanttothisstandard:宽度,
;宽ofafabric,ofaraised surfacefabric;宽,ofafabric
wovenonashuttlelessloom。
3.2FordefinitionsofallothertextiletermsseeTerminology
D123。
4.SummaryofTestMethod
4.1Thewidthofthefabricismeasureddirectlybyusinga
metalrule。
4.2OptionAofferstwoproceduresforthemeasurementof
fabricwidth orpilewidthornappedsurfacewidth orboth,在
fullrollsorbolts.Thefirstprocedureisessentiallyatension
freemethod,thesecondprocedureprovidesformea​​surements
madeduringfinishingorinspectionoperationsthatmayimpart
tensiontothefabric。
4.3OptionBcoversthemeasurementoffabricwidth,桩
surfacewidthornappedsurfacewidth orboth,whenonlya
shortlengthoffabricisavailablefortesting.Thisprocedureis
applicablewhenasmallswatchoffabricissenttothe
laboratorytobeusedasthetestspecimen。
5.SignificanceandUse
5.1OptionAproceduresofTestMethodD377​​4forwidth
areconsideredsatisfactoryforacceptancetestingofcommer
cialshipmentsbecausetheyareusedextensivelyinthetrade。
5.1.1Incaseofadisputearisingfromdifferencesin
reportedtestvalues​​whenusingTestMethodD377​​4for
acceptancetestingofcommercialshipments,thepurchaserand
thesuppliershouldconductcomparativeteststodetermineif
thereisastatisticalbiasbetweentheirlaboratories.Competent
statisticalassistanceisrecommendedfortheinvestigationof
bias.Asaminimum,thetwopartiesshouldtakeagroupoftest
specimenswhichareashomogeneousaspossibleandwhich
arefromalotofmaterialofthetypeinquestion.Thetest
specimensshouldthenberandomlyassignedinequalnumbers
toeachlaboratoryfortesting.Theaverageresultsfromthetwo
laboratoriesshouldbecomparedusingStudent的t testfor的
unpaireddataandanacceptableprobabilitylevelchosenbythe
twopartiesbeforetestingisbegun.Ifabiasisfound,eitherits
causemustbefoundandcorrectedorthepurchaserandthe
suppliermustagreetointerpretfuturetestresultsinthelightof
theknownbias。
1
D13 ThistestmethodareunderthejurisdictionofASTMCommittee开始
TextilesandarethedirectresponsibilityofSubcommittee D13.60 onFabricTest
具体方法。
CurrenteditionapprovedJuly1,2012.PublishedAugust2012.Replaces
Sections13to17ofMethodsD1910-89,TestforConstructionCharacteristicsof
WovenFabrics.Originallyapprovedin1996.Lastpreviouseditionapprovedin
2008asD3774-96(2008年)
'1
DOI:10.1520/D3774-96R12。
2
ForreferencedASTMstandards,www.astm.org,visittheASTMwebsite的或
contactASTMCustomerServiceatservice@astm.org.For AnnualBookofASTM
标准volumeinformation,refertothestandard'sDocumentSummarypageon
theASTMwebsite。
3
AvailablefromAmericanNationalStandardsInstitute(ANSI)25W.43rdSt的。
4thFloor,纽约,NY10036,http://www.ansi.org。
1

6.1Measuringdevice米(码)stickorsteeltape
having1毫米(1/16-in,)graduationsandalengththatisgreater
thanthewidthoffabrictobemeasured。
7.Sampling
7.1Asalotsampleforacceptancetesting,takeatrandom
thenumberofrollsoffabricasdirectedinanapplicable
materialspecificationorotheragreementbetweenthepur
chaserandthesupplier。
7.2ForOptionA,considerrollsoffabrictobetheprimary
samplingunits.Considertherollsoffabricinthelotsampleas
thelaboratorysampleandthepointsatwhichmeasurements
aremadewithintherollsastestspecimens。
7.3ForOptionB cutafullwidthswatchatleast2m(2码)
longfromeachlotsamplingunitasalaboratorysamplingunit
takingcarethattheweaveisnotdistortedwithintheswatches。
Considerthepointsatwhichthemeasurementsaremade
withintheswatchastestspecimens.Thisoptionisnotsuitable
foracceptancetestingbecausetheresultsareapplicabletothat
swatchonly。
8.Conditioning
8.1ConditionthespecimensasdirectedinPractice D1776。
8.2Whenfullrollsorboltsoffabriccannotbeproperly
conditionedinareasonabletimewithavailablefacilities
performthetestswithoutconditioningandreporttheactual
conditionsprevailingatthetimeofthetest.Suchresultsmay
notcorrespondwiththeresultsobtainedaftertestingcondi
tionedspecimensinthestandardatmospherefortestingtex
瓷砖。
9.Procedure
9.1Makeallmeasurements的,whenpossible inthestandard
atmospherefortestingtextiles,whichis21 6 1°C(70°F)
and65 6 2%的相对湿度。
9.2可选择的FullRollorBolt:
9.2.1 FreeofTension-Laythefabriconasmoothhorizo​​n
talsurfacewithouttensioninanydirection.Measurethewidth
asdefinedin:D123 tothenearest1mm(1/16英寸),垂直
totheselvagesusingthemeasuringdeviceorsteeltape.Take
themeasurementinatleastfivewidelyspacedplacesalongthe
lengthoftherollorbolt.Makenomeasurementwithin1m(1
YD)oftheendsoftherollorbolt.Whenspecified,测量
mentsofwidthofpileornappedsurfacesmaybemadeatthe
sametime.Calculateandrecordtheaverageofallmeasure
mentstothenearest1mm(1/16)in.Recordtheminimumand
maximumvalues​​foreachrollandforthelot。
9.2.2 RunningUnderTension Whenagreeduponbyall
partiesconcerned,takefivemeasurementsofwidthtothe
nearest1mm(1/16英寸)atanyconvenienttimeduringthe
finishingorinspectionoperationsusingthemeasuringdevice。
Makenomeasurementwithin1m(1码)OFTHE endsoftheroll
orbolt.Whenspecified,measurementsofwidthofpileor
nappedsurfacesmaybemadeatthesametime.Calculateand
recordtheaverageofallmeasurementstothenearest1mm
(1/16)in.Recordtheminimumandmaximumvalues​​foreach
rollandforthelot。
9.3 OptionB LaboratorySampleRemovedFromFull的
RollorBolt:
9.3.1Laythefabriconasmoothhorizo​​ntalsurfacewithout
tensioninanydirectionandfreeofwrinklesordistortion。
Measurethewidthofthefabricasdefinedin,或3.1 atthree的
ormorepointsseparatedbyatleast0.3m(1英尺)沿着
lengthofthefabric.Donotmakemeasurementscloserthan
150毫米(6英寸)tothecutends.Calculatetheaverageofall
measurementsonthespecimentothenearest1mm(1/16英寸)。
Recordtheaveragemeasurement,themaximummeasurement
andtheminimummeasurement。
10.Report
10.1StatethatthespecimenwastestedasdirectedinTest
MethodD377​​4.Describethematerialorproductsampledand
thesourceofeachspecimen。
10.2Reportthefollowinginformation:
10.2.1OptionusedandiftensionwasusedinOptionA。
10.2.2Numberofobservations。
10.2.3AveragewidthasdefinedinSection 3,inmillimetres
(英寸)orasspecifiedbetweenpurchaserandseller。
10.2.4Minimumandmaximummeasuredwidthforeach
samplingunitandthelot。
10.2.5Atmosphericconditionsunderwhichthetestswere
conductedandwhetherthespecimenswereconditionedas
directedinPractice D1776。
11.PrecisionandBias
11.1总结Incomparingtheaverageoffiveobserva-
蒸发散,thedifferenceshouldnotexceed1.5mmin95outof100
caseswhenalloftheobservationsweretakenbythesame
良好trainedoperatorusingthesamepieceofapparatusand的
specimensrandomlydrawnfromthesamesampleofmaterial。
Largerdifferencesarelikelyunderallothercircumstances。
11.2 InterlaboratoryTestData:
4
11.2.1Aninterlaboratorytestwasrunin1980inwhich
randomlydrawnsamplesoffourmaterialsweretestedineach
offourlaboratories.Twooperatorsineachlaboratoryeach
testedtwospecimensofeachmaterial.Thefirstfabricwasa
65%polyesterand35的%cottonplisse typebasketweave.The
secondfabricwasa65%polyesterand35%cottongingham
check.Thethirdfabricwasan88%聚酯cottonand12%
corduroy.Thefourthfabricwasa100%cottondenim.The
componentofvarianceforfabricwidthexpressedasstandard
deviationswerecalculatedtobeasfollows:

3982
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