ASTM D36/D36M-2009 沥青软化点标准试验方法(沥青软化点测定器)

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【英文标准名称】:StandardTestMethodforSofteningPointofBitumen(Ring-and-BallApparatus)
【原文标准名称】:沥青软化点标准试验方法(沥青软化点测定器)
【标准号】:ASTMD36/D36M-2009
【标准状态】:现行
【国别】:美国
【发布日期】:2009
【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】:D08.03
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:
【英文主题词】:asphalt;ballandring;bitumen;coaltar;softeningpoint;Bituminousroofingmaterials;Coaltar--specifications;Ring-and-ballapparatus;Softeningpoint
【摘要】:Bitumensareviscoelasticmaterialswithoutsharplydefinedmeltingpoints;theygraduallybecomesofterandlessviscousasthetemperaturerises.Forthisreason,softeningpointsmustbedeterminedbyanarbitraryandcloselydefinedmethodifresultsaretobereproducible.Thesofteningpointisusefulintheclassificationofbitumens,asoneelementinestablishingtheuniformityofshipmentsorsourcesofsupply,andisindicativeofthetendencyofthematerialtoflowatelevatedtemperaturesencounteredinservice.1.1Thistestmethodcoversthedeterminationofthesofteningpointofbitumenintherangefrom30to157x00B0;C[86to315x00B0;F]usingthering-and-ballapparatusimmersedindistilledwater[30to80x00B0;C]orUSPglycerin(above80to157x00B0;C).1.2ThevaluesstatedineitherSIunitsorinch-poundunitsaretoberegardedseparatelyasstandard.Thevaluesstatedineachsystemmaynotbeexactequivalents;therefore,eachsystemshallbeusedindependentlyoftheother.Combiningvaluesfromthetwosystemsmayresultinnon-conformancewiththestandard.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E43
【国际标准分类号】:91_100_50
【页数】:4P.;A4
【正文语种】:英语