ASTM D7563 - 10

    Standard Test Method for Evaluation of the Ability of Engine Oil to Emulsify Water and Simulated Ed85 Fuel

    Active Standard ASTM D7563 | Developed by Subcommittee: D02.B0.07

    Book of Standards Volume: 05.04


      Format Pages Price  
    PDF 6 $43.00   ADD TO CART
    Hardcopy (shipping and handling) 6 $43.00   ADD TO CART


    Significance and Use

    During engine operation, engine oil can become contaminated by water and fuel. In the case of Ed85 fuels, this contamination can result in a non-emulsified aqueous bottom layer in the oil that can affect the lubrication and detergency of the engine oil. To avoid field problems, engine oil should be capable of emulsifying water contamination to the extent that no aqueous layer appears.

    The test described in this method is designed to evaluate the ability of an engine oil, contaminated with a specified amount of water (volume fraction of 10 % of the original oil sample) and simulated Ed85 fuel (also a volume fraction of 10 % of the original oil sample), to emulsify the water after agitation in a blender and to maintain this emulsion at temperatures of 20 °C to 25 °C and -5 °C to 0 °C for at least 24 h.

    This test method has potential use in specifications of engine lubricating oils, such as Specification D4485.

    1. Scope

    1.1 This test method describes a qualitative procedure to measure the ability of a specific volume of engine oil to emulsify a specific added volume of combined water and simulated Ed85 fuel upon agitation in a high-speed blender and to retain this emulsified state for at least 24 h at temperatures of both 20 °C to 25 °C and -5 °C to 0 °C.

    1.2 Information Letters are published periodically by the ASTM Test Monitoring Center (TMC) to update this and other test methods under the jurisdiction of Subcommittee D02.B0. Copies of these letters can be obtained by writing the Center.

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

    1.4 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 and health practices and determine the applicability of regulatory limitations prior to use.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    D1193 Specification for Reagent Water

    D4175 Terminology Relating to Petroleum, Petroleum Products, and Lubricants

    D4485 Specification for Performance of Active API Service Category Engine Oils

    D4806 Specification for Denatured Fuel Ethanol for Blending with Gasolines for Use as Automotive Spark-Ignition Engine Fuel

    D5798 Specification for Ethanol Fuel Blends for Flexible-Fuel Automotive Spark-Ignition Engines

    D5854 Practice for Mixing and Handling of Liquid Samples of Petroleum and Petroleum Products

    E1272 Specification for Laboratory Glass Graduated Cylinders


    ICS Code

    ICS Number Code 75.100 (Lubricants, industrial oils and related products)

    UNSPSC Code

    UNSPSC Code 15121501(Engine oil)


    Referencing This Standard

    DOI: 10.1520/D7563-10

    ASTM International is a member of CrossRef.

    Citation Format

    ASTM D7563-10, Standard Test Method for Evaluation of the Ability of Engine Oil to Emulsify Water and Simulated Ed85 Fuel, ASTM International, West Conshohocken, PA, 2010, www.astm.org

    Back to Top