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APPARENT VISCOSITY AT HIGH TEMPERATURE HIGH SHEAR BY MULTICELL CAPILLARY VISCOME
APPARENT VISCOSITY AT HIGH TEMPERATURE HIGH SHEAR BY MULTICELL CAPILLARY VISCOMETER: ASTM D5481TEST SUMMARYThis test method covers the laboratory determination of high-temperature high-shear (HTHS) viscosity of engine oils at a temperature of 150° C using a multicell capillary viscometer containing ...
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APPARENT VISCOSITY USING COLD CRANKING SIMULATOR: ASTM D5293
APPARENT VISCOSITY USING COLD CRANKING SIMULATOR: ASTM D5293EXPLANATIONThe cold cranking simulator (CCS) apparent viscosity of automotive engine oils correlates with low temperature engine cranking. CCS apparent viscosity is not suitable for predicting low temperature flow to the engine oil pump and ...
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APPARENT VISCOSITY USING HTHS CAPILLARY VISCOMETERS
APPARENT VISCOSITY USING HTHS CAPILLARY VISCOMETERSSeveral different configurations of capillary viscometers have been successfully used for measuring the viscosity of engine oils at the high shear rates and high temperatures that occur in engines. There are at least five methods available for this determination.EXPLANATIONViscosity ...
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ANILINE AND MIXED ANILINE POINT: ASTM D611
ANILINE AND MIXED ANILINE POINT: ASTM D611(Equivalent Tests: IP 2, ISO 2977, DIN 51775, and AFNOR M07-02)EXPLANATIONThe aniline (or mixed aniline) point helps in characterization of pure hydrocarbons and in their mixtures. Aromatics exhibit the lowest and paraffins the highest values. Cyclo-paraffins ...
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ANALYSIS OF LPG AND PROPANE CONCENTRATES BY GC: ASTM D2163
ANALYSIS OF LPG AND PROPANE CONCENTRATES BY GC: ASTM D2163EXPLANATIONThe component distribution of liquefied petroleum gases (LPG) and propane concentrates is often required as a specification analysis for end-use sale of these materials. Precise compositional data are required to assure uniform quality ...
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AMYL NITRATE IN DIESEL FUELS: ASTM D1839
AMYL NITRATE IN DIESEL FUELS: ASTM D1839EXPLANATIONSee Test Method D 4046 for details substituting amyl for alkyl nitrate. The interferences are the same as in Test Method D4046. This method can also be used for determining hexyl nitrate in diesel fuels provided standards containing nitrate esters of ...
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ALKYL NITRATE IN DIESEL FUELS: ASTM D4046
ALKYL NITRATE IN DIESEL FUELS: ASTM D4046(Equivalent Tests: IP 430 and ISO 13759)EXPLANATIONAlkyl nitrate is added to diesel fuel to improve cetane number. This method can determine 0.03 to 0.30 volume percent of alkyl nitrate in diesel fuel and thus can serve as a basis for judging compliance with specifications ...
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AIR RELEASE PROPERTIES OF OILS: ASTM D3427
AIR RELEASE PROPERTIES OF OILS: ASTM D3427(Equivalent Test Methods: IP 313, ISO 9120, DIN 51381, and AFNOR E48-614)EXPLANATIONAgitation of lubricating oil with air in equipment such as bearings, couplings, gears, pumps, and oil return lines may produce a dispersion of finely divided air bubbles in the ...
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ADHESION OF SOLID FILM LUBRICANTS: ASTM D2510
ADHESION OF SOLID FILM LUBRICANTS: ASTM D2510EXPLANATIONEffective solid film lubricant coatings must adhere to surfaces to provide adequate lubrication in applications with restricted access where fluid lubricants cannot easily be replenished. Without this coating adhesion, metal to metal contact results ...
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ACTIVE SULFUR IN FUELS AND SOLVENTS (DOCTOR TEST): ASTM D4952
ACTIVE SULFUR IN FUELS AND SOLVENTS (DOCTOR TEST): ASTM D4952(Equivalent Tests: IP 30 and ISO 5275)EXPLANATIONSulfur present as mercaptans or as hydrogen sulfide in distillate fuels and solvents can attack many metallic and nonmetallic materials in fuel and other distribution systems. A negative result ...
