ASTM D4878-2008 聚氨酯原料标准试验方法:测定多醇的粘度

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【英文标准名称】:StandardTestMethodsforPolyurethaneRawMaterials:DeterminationofViscosityofPolyols
【原文标准名称】:聚氨酯原料标准试验方法:测定多醇的粘度
【标准号】:ASTMD4878-2008
【标准状态】:现行
【国别】:美国
【发布日期】:2008
【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】:D20.22
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:Brookfield;Cannon-Fenske;polyols;polyurethanerawmaterials;viscosity;Brookfieldviscometer;Cannon-Fonskeviscosity;Liquids;Polyurethanerawmaterials--polyols;Viscosity--plastics
【摘要】:Thesetestmethodsaresuitableforresearchorasqualitycontrolorspecificationtests.Viscositymeasurestheresistanceofafluidtouniformlycontinuousflowwithoutturbulenceorotherforces.1.1Thesetestmethods(AandB)determinetheviscosityofpolyolsintherangefrom10to100000mPax00B7;s(cP)at25x00B0;Corat50x00B0;C.TestMethodAalsoappliestomoreviscoussamplesthataresolubleinn-butylacetate.TestMethodBissimplyareferencetoageneralprocedureforkinematicviscosity,D445.(SeeNote1.)1.2ThevaluesstatedinSIunitsaretoberegardedasthestandard.Otherequivalentunitsareprovidedbecauseofcurrentcommonusage.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note18212;ThereisnoequivalentISOstandardforTestMethodAalthoughISO3219issimilar.TestMethodBisequivalenttoISO3104.
【中国标准分类号】:G31
【国际标准分类号】:83_080_20
【页数】:3P.;A4
【正文语种】:英语