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【英文标准名称】:StandardTestMethodforMassPerUnitAreaofPileYarnFloorCoverings
【原文标准名称】:绒头纱线铺地材料的单位面积质量的标准试验方法
【标准号】:ASTMD5848-2010e1
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:
【英文主题词】:carpet;construction;floorcovering;massperunitarea;pileyarn;Carpets;Construction--textilefabrics/fibers;Flooring/floorcoveringsystems(textiles);Massperunitarea;Pileyarnfloorcoverings
【摘要】:Thedeterminationofthemassperunitareaofpileyarnfloorcoveringisusefulinqualityandcostcontrolduringthemanufactureofpilefloorcovering.Bothappearanceandperformancemaybeaffectedbychangesinmassperunitarea.Incaseofadisputearisingfromdifferencesinreportedtestresultswhenusingthistestmethodforacceptancetestingofcommercialshipments,thepurchaserandsuppliershouldconductcomparisontestingtodetermineifthereisastatisticalbiasbetweentheirlaboratories.Competentstatisticalassistanceisrecommendedfortheinvestigationofbias.Asaminimumthetwopartiesshouldtakeagroupoftestspecimensthatareashomogeneousaspossibleandthatarefromalotofmaterialofthetypeinquestion.Thetestspecimensshouldthenberandomlyassignedtoeachlaboratoryfortesting.TheaverageresultsfromthetwolaboratoriesshouldbecomparedusingStudent''st-testforunpaireddataandanacceptableprobabilitylevelchosenbythetwopartiespriortotesting.Ifabiasisfound,eitheritscausemustbefoundandcorrectedorthepurchaserandsuppliermustagreetointerpretfuturetestresultswithconsiderationtotheknownbias.1.1Thistestmethodcoversthemeasurementofmassperunitareaofmachine-madewoven,knitted,andtuftedpileyarnfloorcoveringbothbeforeandafteranadhesive-backcoatingapplication.1.2Thistestmethodencompassesthreetechniquesfordeterminationofmassperunitareaasapplicable:1.2.1Section7,fordeterminingtotalmassperunitarea,appliestobothcoatedanduncoated(unfinished)pilefloorcoverings.1.2.2Section8,fordeterminingcomponentmassperunitarea,appliesonlytouncoated(unfinished)pileyarnfloorcoverings.1.2.3Section9,fordeterminingpileyarnmassperunitarea,appliesonlytoback-coated,orfinished,pileyarnfloorcoverings.1.3DeterminationofmassperunitareaofpileyarnfloorcoveringswaspreviouslycontainedwithinTestMethods.Foruserconvenience,SubcommitteeD13.21subdividedTestMethodsintoseparatestandards,ofwhichthistestmethodisone.1.4Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.5Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Specificprecautionarystatementsaregivenin9.5.
【中国标准分类号】:W56
【国际标准分类号】:59_080_60
【页数】:13P.;A4
【正文语种】:英语