ASTM D938-2005 包括凡士林在内的石油蜡凝固点的标准试验方法

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【英文标准名称】:StandardTestMethodforCongealingPointofPetroleumWaxes,IncludingPetrolatum
【原文标准名称】:包括凡士林在内的石油蜡凝固点的标准试验方法
【标准号】:ASTMD938-2005
【标准状态】:现行
【国别】:
【发布日期】:2005
【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】:D02.10.0A
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:凝固点;冻结点;润滑剂;矿物蜡;凡士林;石油产品;试验
【英文主题词】:congealingpoint;petrolatum;petroleumwaxes
【摘要】:Congealingpointisawaxpropertythatisofinteresttomanypetroleumwaxconsumers.Theproceduredescribedheremeasuresthetemperatureatwhichasamplebeingcooleddevelopsax201C;setx201D;orresistancetoflow.Atthattemperature,thewaxmaybeatorclosetothesolidstate,oritmaybesemisolidandquiteunctuous,dependingonthecompositionofthewaxorpetrolatumbeingtested.Inthecaseofpetrolatums,congealingpropertyisassociatedwiththeformationofagelstructureasthesamplecools.1.1Thistestmethodcoversdeterminationofthecongealingpointofpetroleumwaxes,includingpetrolatum.1.2Thevaluesstatedininch-poundunitsaretoberegardedasthestandard.Thevaluesgiveninparenthesesareforinformationonly.1.3Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.Note18212;ThistestmethodisanalternativetoTestMethodD127.ResultsobtainedareusuallylowerthantheresultsobtainedbyTestMethodD127-IP133,theamountofthedeviationvaryingwiththenatureofthepetroleumwax.
【中国标准分类号】:E42
【国际标准分类号】:75_140
【页数】:3P.;A4
【正文语种】: