ASTM D5125-1997(2005) 用ISO流量杯法测定涂料及有关材料粘度的标准试验方法

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【英文标准名称】:StandardTestMethodforViscosityofPaintsandRelatedMaterialsbyISOFlowCups
【原文标准名称】:用ISO流量杯法测定涂料及有关材料粘度的标准试验方法
【标准号】:ASTMD5125-1997(2005)
【标准状态】:现行
【国别】:
【发布日期】:1997
【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】:D01.24
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:涂料;粘度;试验
【英文主题词】:effluxcups;flowcups;ISOcups;viscosity
【摘要】:Thistestmethodisusefulforthedeterminationofpackageandapplicationviscositiesofpaintsandothercoatings.ItislimitedtoNewtonianornear-Newtonianliquids.ThistestmethodmaybeusedsimilarlytoISO2431inconjunctionwithflashpointtodeterminethehazardgroupingofviscousliquidsininternationalregulations.1.1Thistestmethodcoversthedeterminationoftheflowtime(viscosity)ofNewtonianandnear-Newtonianpaints,andrelatedcoatingsandproductsusingISOcapillaryflowcups.Note18212;Iftheliquidisnon-Newtonian,thatisshear-thinningorthixotropic,TestMethodsD2196shouldbeused.1.2Thecup-orificecombination(ISOcupwithorificediameterof3mm,4mm,5mm,or6mm)isselectedtoprovideaneffluxtimewiththerangeof20to100sandviscositiesupto700cSt(700mm2/s).Themostcommonlyusedcupistheonewiththe4-mmorifice.1.3Thistestmethodislimitedtotestingmaterialsforwhichthebreakpointoftheflowfromtheorificeoftheflowcupcanbedeterminedwithcertainty.Thispointisdifficulttodetermineandreproduceformaterialswithflowtimesinexcessof100sduetoslowing-downeffects.1.4ThevaluesstatedinSIunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.5Thisstandarddoesnotpurporttoaddressthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note28212;TheInternationalCivilAviationOrganization(ICAO)andtheInternationalMaritimeOrganization(IMO)includeintheirregulationsasimilartest(ISO2431)todeterminetheviscosityofhazardousviscousliquids.Theviscosityisthenusedtoplacetheseliquidsinahazardpackaginggroupdependingontheirviscosity/flashpointrelationship.TheU.S.DepartmentofTransportationpermitstheuseoftheseregulationsfortranshipmentofhazardousmaterialwithintheU.S.whenboundforforeigndestinations.
【中国标准分类号】:A29
【国际标准分类号】:87_040
【页数】:8P.;A4
【正文语种】: