ASTM D4921 - 95(2012)

    Standard Test Method for Foaming Tendencies of Engine Coolants at Room Temperature

    Active Standard ASTM D4921 | Developed by Subcommittee: D15.06

    Book of Standards Volume: 15.05

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    Significance and Use

    4.1 The test method will generally identify coolants that have a tendency to foam excessively at room temperature.

    Note 1In use, the foaming tendency of a coolant solution may be increased by service aging or contamination.

    1. Scope

    1.1 This test method applies to a simple shake test for evaluating the tendency of an aqueous solution of engine coolant to foam at room temperature.

    1.2 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

    D1176 Practice for Sampling and Preparing Aqueous Solutions of Engine Coolants or Antirusts for Testing Purposes

    ICS Code

    ICS Number Code 71.100.40 (Surface active agents)

    UNSPSC Code

    UNSPSC Code

    Referencing This Standard
    Link Here
    Link to Active (This link will always route to the current Active version of the standard.)

    DOI: 10.1520/D4921-95R12

    Citation Format

    ASTM D4921-95(2012), Standard Test Method for Foaming Tendencies of Engine Coolants at Room Temperature, ASTM International, West Conshohocken, PA, 2012,

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