【英文标准名称】:StandardTestMethodforBlockingPointofPotentiallyAdhesiveLayers
【原文标准名称】:有效粘结层粘结点的标准试验方法
【标准号】:ASTMD1146-2000(2007)
【标准状态】:现行
【国别】:
【发布日期】:2000
【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】:D14.10
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:adhesiveblocking;blocking;blockingpoint;cohesiveblocking;firstdegreeblocking;seconddegreeblocking
【摘要】:Sincesomepotentiallyadhesivematerialsareboththermoplasticandhygroscopic,thistestmethodprovidesmeansforestimating,onthesamematerial,boththermoplasticandhygroscopicblocking.Becausesomerequirementsaremorestrictthanothers,twovaryingdegreesofblockingarerecognizedanddefined:(1)Firstdegreeblocking,and(2)Seconddegreeblocking.Twotypesofblockingarecovered:(1)Cohesiveblocking,and(2)Adhesiveblocking.1.1Thistestmethodcoversthedeterminationoftheblockingpointofathermoplasticorahygroscopiclayerorcoatingofpotentiallyadhesivematerial.Potentiallyadhesivematerialscomprisethosematerialsinasubstantiallynonadhesivestatewhichmaybeactivatedtoanadhesivestatebyapplicationofheatorsolvents.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:G38
【国际标准分类号】:83_180
【页数】:2P.;A4
【正文语种】: