ASTM D2967-2007 粉末涂层角落敷层的标准试验方法

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【英文标准名称】:StandardTestMethodforCornerCoverageofPowderCoatings
【原文标准名称】:粉末涂层角落敷层的标准试验方法
【标准号】:ASTMD2967-2007
【标准状态】:现行
【国别】:
【发布日期】:2007
【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】:D01.51
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:涂层;电气工程;电绝缘;绝缘;粉末;测试
【英文主题词】:coatingpowder;cornercoverage;cornerthickness;edgecoverage;facethickness;powdercoating
【摘要】:Thistestmethodmeasuresthedegreetowhichdifferentcoatingpowdermaterialscoversharpcorners.Cornercoverageisinfluencedbyfacethickness,thixotropy,meltviscosity,surfacetension,curerate,andtemperatureofapplicationandcuring.1.1Thistestmethodcoversthedeterminationoftheratioofcornerthickness(see3.1.3)tofacethickness(see)ofpowdercoatingsappliedtoaspecificfacethicknessbydippingpreheatedsquarebarsintoaeratedpowderandcuringthecoatingusingpredeterminedconditions.Note1Thepropertyofcornercoveragehasalsobeenreferredtoas"edgecoverage,"thoughthelatterisnotrecommended.Therearewidespreadmisunderstandingsandexpectationsrelativetotheterm"edgecoverage."Thistestisperformedonasteelbarhavingsquarecornersandtheresultsdonotnecessarilyrelatetoedgesthataresharper,thatis,burrs.Acoatingthathasmeasurablecornercoveragemaystillnotprotectsharperedgesfromcorrosionorprovidetheelectricalinsulationneededinsomeapplications.1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:A29
【国际标准分类号】:29_035_99
【页数】:3P.;A4
【正文语种】: