ASTM D4321-2009 塑料薄膜的包装屈服点的标准试验方法

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【英文标准名称】:StandardTestMethodforPackageYieldofPlasticFilm
【原文标准名称】:塑料薄膜的包装屈服点的标准试验方法
【标准号】:ASTMD4321-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:D20.19
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:nominalyield;packageyield;plasticfilm;Actualyield;Mass;Nominalyield;Plasticsheetandfilm;Yield--plasticsheetandfilm
【摘要】:Actualyieldisimportanttothefilmconverterasthisdeterminestheactualnumberofunitsorpackagesthathecanderiveinaparticularconversionfromanygivenmassoffilm.1.1Thistestmethodcoversthedeterminationofyield(areaperunitmass)ofplasticfilm.1.2Alsodescribedinthistestmethodisthemeansforcalculatingnominalyield,givenvaluesfornominaldensity,andnominalthickness.Thisisneededsince,inmaterialspecifications,limitsforyieldarenormallystatedintermsofthepercentdeviationofactualyieldfromnominalyield.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninbracketsareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note18212;ThistestmethodandISO4591addressthesamesubjectmatter,butdifferintechnicalcontent.
【中国标准分类号】:A80
【国际标准分类号】:83_140_10
【页数】:3P.;A4
【正文语种】:英语