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【英文标准名称】:StandardTestMethodsforPolytetrafluoroethyleneTubing
【原文标准名称】:聚四氟乙烯管的标准试验方法
【标准号】:ASTMD1675-2003
【标准状态】:现行
【国别】:
【发布日期】:2003
【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】:D09.07
【标准类型】:(TestMethod)
【标准水平】:()
【中文主题词】:覆层;电气工程;电绝缘;绝缘;管道;管;聚四氟乙烯;试验
【英文主题词】:acbreakdownvoltage;bendingeffects;insidediameter;meltingpoint;penetrationresistance;specificgravity;strainrelief(shrinkage);tubes;polytetrafluoroethylene;PTFE;volatilecontent;wallthickness
【摘要】:Thetestmethodsinthisstandardareconsideredimportanttocharacterizepolytetrafluoroethylenetubing.Theyareintendedprimarilyfor,butnotlimitedtopolytetrafluoroethylenetubing.Variationsinthesemethodsoralternatecontemporarymethodsofmeasurementmaybeusedtodeterminethevaluesforthepropertiesinthisstandardprovidedsuchmethodsensurequalitylevelsandmeasurementaccuracyequaltoorbetterthanthoseprescribedherein.Itistheresponsibilityoftheorganizationsusingalternatetestmethodstobeabletodemonstratethiscondition.Incasesofdispute,themethodsspecifiedhereinshallbeused.Note28212;Provisionforalternatemethodsisnecessarybecauseof(1)thedesiretosimplifyproceduresforspecificapplications,and(2)thedesiretoeliminateredundanttestingandusedatageneratedduringmanufacturingprocesscontrol,includingthatgeneratedunderStatisticalProcessControl(SPC)conditions,usingequipmentandmethodsotherthanthosespecifiedherein.Anexamplewouldbetheuseoflasermicrometersoropticalcomparatorstomeasuredimensions.1.1Thesetestmethodscoverproceduresfortestingpolytetrafluoroethylenetubingforuseaselectricalinsulation.Theproceduresappearinthefollowingsections:ProcedureSectionsASTMMethodsConditioning7...DielectricBreakdownVoltage28-30D149,D876InsideDiameter8-13D876MandrelBendTest46-52D149,D876MeltingPoint41-45D3418,D4895PenetrationTest26and27D876SpecificGravity36-40D792,D1505StrainRelief31-35...VolatileLoss20-25...WallThickness14-19...