磷酸酯抗燃油的检测指标.pdf

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1、5、漆膜倾向是否可以反映油的劣化程度？该指标如何测定？CanVPRrepresentthedegreeofEHCoildegradation?Howtoperformthetest?Notusually.Wehavedevelopedtheinterpretationguidelineformineraloils.MPC(orVPR)isquiteeffectiveatdetectingmicro-dieselingandtheproductsproducedinthisprocess.Werecommendthefollowin

2、gguidelinetouseinestablishingcondemninglimitsforanEHCsystem.SuggestedWarningTestMethodSuggestedTargetLevelViscosity(cSt)粘度D44538.4–44.2+/‐ 10%initialSpecificGravity(g/ml)比重D7921.121.17Color颜色D15001.53WaterContent(ppm)水含量D6304<500800AcidNumber(mgKOH/g)酸值D9740.050.10Chl

3、oride(ppm)氯含量N/A10max50RULER(RULERNumber)RULER值D6971<400>650Resistivity(Gohm∙cm)电阻率D1169>55ISOParticleCount清洁度ISO440613/1015/12MineralOil(%)矿物油D02.CS96<0.50.5PatchTest(color)膜片测试（颜色）D2276

4、lTotalMetalContent(ppm)总金属量D518503FlashPoint(ºC)闪点D92235235AirReleaseTime(min)空气的释放值D3427<576、影响抗燃油空气释放值的因素有哪些？空气释放值为什么会超标？超标的影响？特别是对伺服阀造成什么影响？如何改善抗燃油空气释放值？WhatwillinfluencetheairreleasepropertyoftheECHoil?Whywouldtheairreleasebeoutoflimit?Whatistheimpactofoutoflimit,

5、especiallytheimpacttotheservovalve?Howtoimproveairrelease?Metallicsaltsandacidswillimpactairrelease.Thiscreatesanautocatalyticcyclecausingmoreandmorefluiddegradation.