ASTM D3954-1994(2004) 石蜡滴点的标准试验方法

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【英文标准名称】:StandardTestMethodforDroppingPointofWaxes
【原文标准名称】:石蜡滴点的标准试验方法
【标准号】:ASTMD3954-1994(2004)
【标准状态】:现行
【国别】:
【发布日期】:1994
【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】:D21.02
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:试验;蜡;抛光剂;地板覆盖物
【英文主题词】:droppoint;waxes
【摘要】:Waxesdonotgothroughasharpsolid-liquidphasechangewhenheatedandthereforedonothaveatruemeltingpoint.Asthetemperaturerises,waxesgraduallysoftenorbecomelessviscous.Forthisreason,thedeterminationofthesofteningpointmustbemadebyanarbitrarybutcloselydefinedmethodiftestvaluesaretobereproducible.Thistestisusefulindeterminingtheconsistencyofwaxes,andasoneelementinestablishingtheuniformityofshipmentsorsourceofsupply.Thistestmethodhasbeenfoundsuitableforalltypesofwaxesincludingparaffin,microcrystallinepolyethylene,andnaturalwaxes.1.1ThistestmethodcoversthedeterminationoftheASTMdroppingpointforwaxes.1.2Thisstandarddoesnotpurporttoaddressallofthesafetyconcerns,ifany,associatedwithitsuse.Itistheresponsibilityoftheuserofthisstandardtoestablishappropriatesafetyandhealthpracticesanddeterminetheapplicabilityofregulatorylimitationspriortouse.
【中国标准分类号】:E42
【国际标准分类号】:
【页数】:2P.;A4
【正文语种】: