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【英文标准名称】:StandardPracticeforMeasuringMEKResistanceofEthylSilicate(Inorganic)Zinc-RichPrimersbySolventRub
【原文标准名称】:溶剂擦拭法测定硅酸乙酯(无机)富锌底漆的甲乙酮耐受性的标准实施规程
【标准号】:ASTMD4752-2010
【标准状态】:现行
【国别】:美国
【发布日期】:2010
【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】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:curingcharacteristics;doublerubmethod;dryingorcuring;ethylsilicate(inorganic)primer;methylethylketone;MEK(methylethylketone)resistance;primer;solventrubmethod;visualexamination;zinc-richprimer;Curingcharacteristics;Doubleru
【摘要】:Ethylsilicatezinc-richprimerscurebythereactionofthevehiclewithmoisture,therebyprovidingabinder.Asrelativehumidityandtemperaturevaryduringtheday,sodoestherateofcure.Acertainminimumdegreeofcureisnecessarypriortotopcoating.Ithasbeenshownthatthedegreeofcureofethylsilicatezinc-richprimerscanbemeasuredbythechemicalchangesoccurringusingdiffusereflectanceinfraredspectroscopy.Thissolventrubtesthasbeenshowntocorrelatewellwiththeinfraredspectroscopicresultsofsometwo-componentethylsilicateinorganiczincsystems.Thecureratingrequiredfortheapplicationofspecifictopcoatsmustbeagreeduponbeforethepracticeisused.1.1ThispracticedescribesasolventrubtechniqueforassessingtheMEKresistanceofethylsilicate(inorganic)zinc-richprimers.TheMEKresistanceofsometwo-componentethylsilicatezinc-richprimershasbeenshowntocorrelatewellwiththecureoftheprimerasdeterminedbydiffusereflectanceinfraredspectroscopy.Thetechniquecanbeusedinthelaboratory,field,orinthefabricatingshop.PracticeD5402isthepreferredmethodfororganiccoatings.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.SpecifichazardstatementsaregiveninSection6.Consultsupplier''sMaterialSafetyDataSheet(s)forspecifichazardinformationrelatingtothesolventused.
【中国标准分类号】:G51
【国际标准分类号】:87_040
【页数】:8P.;A4
【正文语种】:英语