ASTM D5402-2006 用溶剂擦除法评估有机覆层的耐溶性的标准实施方法

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【英文标准名称】:StandardPracticeforAssessingtheSolventResistanceofOrganicCoatingsUsingSolventRubs
【原文标准名称】:用溶剂擦除法评估有机覆层的耐溶性的标准实施方法
【标准号】:ASTMD5402-2006
【标准状态】:现行
【国别】:
【发布日期】:2006
【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】:D01.46
【标准类型】:(Practice)
【标准水平】:()
【中文主题词】:覆层;耐力;溶剂;表面处理;试验
【英文主题词】:coating;curingcharacteristics;doublerubmethod;dryingorcuring;paint;recoattime;servicetime;solventresistance;solventrubmethod
【摘要】:Coatingsthatchemicallychangeduringthecuringprocess,suchasepoxies,vinylesters,polyesters,alkydsandurethanes,becomemoreresistanttosolventsastheycure.Thesecoatingsshouldreachspecificlevelsofsolventresistancepriortobeingtopcoatedandpriortoplacinginservice;thelevelsofsolventresistancenecessaryvarywiththetypeofcoatingandtheintendedservice.Rubbingwithaclothsaturatedwiththeappropriatesolventisonewaytodeterminewhenaspecificlevelofsolventresistanceisreached.However,thelevelofsolventresistancebyitselfdoesnotindicatefullcureandsomecoatingsbecomesolventresistantbeforetheybecomesufficientlycuredforservice.Thetimerequiredtoreachaspecificlevelofsolventresistancecanbeinfluencedbytemperature,filmthickness,airmovementand,forwater-borneorwater-reactivecoatings,humidity.Thetestsolventrsquo;effectuponthecoatingvarieswithcoatingtypeandsolventused.Thecoatingmanufacturermayspecifythesolvent,thenumberofdoublerubs,andthespecifictestresultsneeded.1.1Thispracticedescribesasolventrubtechniqueforassessingthesolventresistanceofanorganiccoatingthatchemicallychangesduringthecuringprocess.Thistechniquecanbeusedinthelaboratory,inthefield,orinthefabricatingshop.TestMethodD4752isthepreferredmethodforethylsilicatezinc-richprimers.1.2Thispracticedoesnotspecifythesolvent,numberofdoublerubs,orexpectedtestresults.1.3ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Consultthesupplier''sMaterialSafetyDataSheetforspecifichazardinformationrelatingtothesolventused.
【中国标准分类号】:A29
【国际标准分类号】:25_220_60
【页数】:5P.;A4
【正文语种】: