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【英文标准名称】:StandardTestMethodforBlockingLoadofPlasticFilmbytheParallelPlateMethod
【原文标准名称】:用平行板法测定塑料薄膜阻挡承载力的试验方法
【标准号】:ASTMD3354-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:blocking;plastics;Blocking;Blockingresistance;Parallel-plateapplications/testingequipment;Plasticsheetandfilm
【摘要】:Blockingdevelopsinfilmprocessingandstoragewhenlayersofsmoothfilmareinintimatecontactwithnearlycompleteexclusionofair.Temperature,orpressure,orboth,caninduceorchangethedegreeofadhesionofthesurfaces.Theprocedureofthistestmethodcloselysimulatestheoperationofseparatingfilminsomeend-useapplications.1.1Thistestmethodyieldsquantitativeinformationregardingthedegreeofblocking(unwantedadhesion)existingbetweenlayersofplasticfilm.Itisnotintendedtomeasuresusceptibilitytoblocking.1.2Bythisprocedure,thefilm-to-filmadhesion,expressedasablockingloadingrams,willcausetwolayersoffilmwithanareaofcontactof100cm2toseparate.Thetestmethodislimitedtoamaximumloadof200g.1.3ThevaluesstatedinSIunitsaretoberegardedasstandard.Thevaluesgiveninparenthesesareforinformationonly.1.4Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note18212;ThistestmethodissimilartoISO11502MethodB,butisnottechnicallyequivalent.
【中国标准分类号】:G33
【国际标准分类号】:83_140_10
【页数】:3P.;A4
【正文语种】:英语