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【英文标准名称】:StandardTestMethodforAssessmentofSurfaceAppearanceChangeinPileFloorCoveringsUsingStandardReferenceScales
【原文标准名称】:用标准基准标度评估绒面地板覆盖物表面外观变化的标准试验方法
【标准号】:ASTMD7330-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【实施或试行日期】:
【发布单位】:美国材料与试验协会(US-ASTM)
【起草单位】:D13.21
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:评估;地板覆盖物;绒面;基准;标度;表面性质;测试;铺地织物
【英文主题词】:carpet;crushing;changeinsurfaceappearance;finishedpileyarnfloorcovering;floorcovering;looppileyarnfloorcovering;matting;pile;pileyarnfloorcovering;textilefloorcovering
【摘要】:Thedeterminationofsurfaceappearancechangeinpileyarnfloorcoveringisusefulinqualityandcostcontrolduringmanufactureofpileyarnfloorcovering.Thistestmethodisconsideredsatisfactoryforacceptancetestingofcommercialshipmentsbecausecurrentestimatesofbetweenlaboratoryprecisionareacceptable,andthistestmethodiscommonlyusedintradeforacceptancetesting.Iftherearedifferencesofpracticalsignificancebetweenreportedtestresultsfortwolaboratories(ormore),comparativetestshouldbeperformedtodetermineifthereisastatisticalbiasbetweenthem,usingcompetentstatisticalassistance.Asaminimum,usethesamplesforsuchcomparativeteststhatareashomogenousaspossible,drawnfromthesamelotofmaterialasthesamplesthatresultedisdesparateresultsduringinitialtestingandrandomlyassignedinequalnumberstoeachlaboratory.Thetestresultsfromthelaboratoriesinvolvedshallbecomparedusingastatisticaltestforunpaireddata,aprobabilitylevelchosenpriortothetestingseries.Ifabiasisfoundeitheritscausemustbefoundandcorrected,orfuturetestresultsforthatmaterialmustbeadjustedinconsiderationoftheknownbias.TABLE1PileFloorCoveringAppearanceChangeScalesCurrentlyAvailableScaleDescriptionCRI-1
SaxonyCutPile
CRI-2
Berber,LoopPile
CRI-3
CommercialLoopPile,LowProfile
CRI-4
CutPileCommercialPlush
CRI-5
CutPileShag
CRI-6
TipShearedCutandLoopPileWithPattern