ASTM D5293 - 17a - Standard Test Method for Apparent Viscosity of Engine Oils and Base Stocks Between ? 10 °C and ? 35 °C Using Cold-Cranking Simulator

ASTM D5293 - 17a

Standard Test Method for Apparent Viscosity of Engine Oils and Base Stocks Between ? 10 °C and ? 35 °C Using Cold-Cranking Simulator

Status : Current   Published : October 2017

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1.1 This test method covers the laboratory determination of apparent viscosity of engine oils and base stocks by cold cranking simulator (CCS) at temperatures between –10 °C and –35 °C at shear stresses of approximately 50 000 Pa to 100 000 Pa and shear rates of approximately 10 5 to 10 4 s –1 for viscosities of approximately 900 mPa·s to 25 000 mPa·s. The range of an instrument is dependent on the instrument model and software version installed. Apparent Cranking Viscosity results by this method are related to engine-cranking characteristics of engine oils.

1.2 A special procedure is provided for measurement of highly viscoelastic oils in manual instruments. See Appendix X2.

1.3 Procedures are provided for both manual and automated determination of the apparent viscosity of engine oils using the cold-cranking simulator.

1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.5  This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. Specific warning statements are given in Section 8.

1.6  This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.




Standard NumberASTM D5293 - 17a
TitleStandard Test Method for Apparent Viscosity of Engine Oils and Base Stocks Between ? 10 °C and ? 35 °C Using Cold-Cranking Simulator
StatusCurrent
Publication Date01 October 2017
Normative References(Required to achieve compliance to this standard)No other standards are normatively referenced
Informative References(Provided for Information)No other standards are informatively referenced
Descriptors Apparent viscosity, Cold cranking, Cranking, Engine oils, Petroleum and petroleum products, Viscosity
ICS75.100
PublisherASTM
FormatA4
DeliveryYes
Pages12
File Size459 KB
Price£45.00


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