【英文标准名称】:StandardTestMethodsforBackingFabricCharacteristicsofPileYarnFloorCoverings
【原文标准名称】:绒头纱线地板覆盖物的衬布特性的标准试验方法
【标准号】:ASTMD2646-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【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】:试验;机织物;纺织材料;纺织试验;布;放大
【英文主题词】:carpet;extractablematter;knittedfabric;nonwovenfabric;pileyarnfloorcovering;primarybacking;secondarybacking;shrinkage;wovenfabric
【摘要】:Thesetestmethodsmaybeusedforacceptancetestingofcommercialshipments;however,cautionisadvisedbecauseinformationaboutbetweeninterlaboratoryprecisionisincomplete.Comparativetestsasdirectedin5.1.1maybeadvisable.5.1.1Iftherearedifferencesofpracticalsignificancebetweenreportedtestresultsfortwolaboratories(ormore),comparativetestsshouldbeperformedtodetermineifthereisstatisticalbiasbetweenthemusingcompetentstatisticalassistance.Asaminimum,usetestsamplesforsuchcomparativeteststhatareashomogeneousaspossible,drawnfromthesamelotofmaterialasthesamplesthatresultedinthedisparateresultsduringinitialtesting,andthatarerandomlyassignedinequalnumberstoeachlaboratoryfortesting.Thetestresultsfromthelaboratoriesshouldbecomparedusingstatisticaltestforunpaireddataataprobabilitylevelchosenpriortothetestingseries.Ifabiasisfoundeitheritscausemustbefoundandcorrected,orfuturetestresultsforthatmaterialmustbeadjustedinconsiderationoftheknownbias.Thesetestmethodsareusefultoevaluatequalityandcostcontrolduringthemanufactureofpileyarnfloorcovering.Thesignificanceandusesofparticularpropertiesandtestmethodsarediscussedintheappropriatesectionsofthespecifiedtestmethods.1.1Thesetestmethodscovertheprocedureslistedasfollowsfortestingwoven,knittedandnonwovenbackingfabricsdesignedforuseinthemanufactureofpileyarnfloorcoverings.Theproceduresappearinthefollowingorder:1.2ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesininch-poundunitsareprovidedasinformationonlyandarenotexactequivalents.Incaseofrefereedecisions,theSIunitswillprevail.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:W56
【国际标准分类号】:59_080_30
【页数】:4P.;A4
【正文语种】: