【英文标准名称】:StandardTestMethodforMachineDirectionElasticRecoveryandPermanentDeformationandStressRetentionofStretchWrapFilm
【原文标准名称】:张拉材料加工方向弹性恢复和永久变形和应力保持标准试验方法
【标准号】:ASTMD5459-1995(2007)
【标准状态】:现行
【国别】:
【发布日期】:1995
【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】:D10.25
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:恢复;变形;薄膜;薄膜;永久变形;应力保持;张拉材料;张拉材料;弹性恢复;拉伸;加工方向弹性恢复;加工方向弹性恢复和永久形变;试验
【英文主题词】:elasticrecovery;permanentdeformation;stressretention;stretchwrap;thinfilms
【摘要】:Elasticrecoveryisrelatedtotheabilityofapackagetoresumeitsoriginalshapeafterbeingdistendedduringitsusecycle.Elasticrecoveryalsorelatestothetightnessorsnugnessofapackage.Stressretentionisrelatedtothetightnessorsnugnessofapackage.1.1Thistestmethodcoversthemeasurementofrecoveryfromextension,permanentdeformation,andstressretentionofstretchwrapfilm.1.2Severallevelsofextensionareincludedtoascertaintheeffectofbothsmallandlargeextensions.1.3Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.TheSIunitsgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:P20
【国际标准分类号】:55_040
【页数】:3P.;A4
【正文语种】: