【英文标准名称】:StandardTestMethodforMarResistanceofOrganicCoatings
【原文标准名称】:有机覆层耐损伤的标准试验方法
【标准号】:ASTMD5178-1998(2008)
【标准状态】:现行
【国别】:美国
【发布日期】:1998
【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】:D01.23
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:balancedbeamscrapeadhesionandmartester;balancedbeamtester;coatings;marororganicmarresistance;Adhesion--paints/relatedcoatings/materials;Deformation--paints/relatedcoatings/materials;Balanced-beamscrapeadhesiontester;Marresistance;
【摘要】:Insomesituations,marringofcoatingsappliedtosubstratesundertypicaluseconditionsisunacceptable.Thistestmethodhasbeenfoundusefulindifferentiatingthedegreeofmarringofcoatingsonsubstrates.Itismostusefulinprovidingrelativeratingsforaseriesofcoatedpanelsexhibitingsignificantdifferencesinmarring.Inalimitedlaboratorystudy,meaningfulmarresultswereimpossiblewhenpowdercoatingsweretested.Themarmarking,thatis,scratches,becamelessperceptiblewithtime.Therefore,powdercoatingsmaynotbeapplicablecoatingsforthistestmethod.1.1Thistestmethodcoversthedeterminationofthemarresistanceonsmooth,flatsurfaces.Resultsareexpressedintermsofforce-to-marfilmsoforganiccoatingssuchaspaint,varnish,andlacquerwhenappliedtosmooth,flatplanarpanelsurfaces.1.2Thevaluesstatedininch-poundunitsaretoberegardedasstandard.ThevaluesgiveninparenthesesaremathematicalconversionstoSIunitsthatareprovidedforinformationonlyandarenotconsideredstandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A29
【国际标准分类号】:25_220_60
【页数】:3P.;A4
【正文语种】:英语