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    ASTM D7935 / D7935M - 14

    Standard Test Method for Corrosion Test for Non-Aqueous Engine Coolants in Glassware

    Active Standard ASTM D7935 / D7935M | Developed by Subcommittee: D15.22

    Book of Standards Volume: 15.05


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    Significance and Use

    4.1 This test method will generally distinguish between non-aqueous coolants that are definitely deleterious from the corrosion standpoint and those that are suitable for further evaluation. However, the results of this test method cannot stand alone as evidence of satisfactory corrosion inhibition. The actual service value of an engine coolant formulation can be determined only by more comprehensive bench, dynamometer, and field tests.

    1. Scope

    1.1 This test method covers a simple beaker-type procedure for evaluating the effects of non-aqueous engine coolants on metal specimens under controlled laboratory conditions (see Appendix X1).

    Note 1: For more information on aqueous and non-aqueous engine coolants, see (Refs 1-9).2

    1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard. Some values have only SI units because the inch-pound equivalents are not used in practice.

    1.3 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. Some specific hazards statements are given in 10.1.7.2, 10.1.7.3, and 10.1.7.4.


    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

    B32 Specification for Solder Metal

    B36/B36M Specification for Brass Plate, Sheet, Strip, And Rolled Bar

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

    D1384 Test Method for Corrosion Test for Engine Coolants in Glassware

    E1 Specification for ASTM Liquid-in-Glass Thermometers

    E178 Practice for Dealing With Outlying Observations

    E230/E230M Specification and Temperature-Electromotive Force (emf) Tables for Standardized Thermocouples

    ASTM Adjunct

    All-glass apparatus for corrosion test (2 drawings)


    ICS Code

    ICS Number Code 71.100.45 (Refrigerants and antifreezes)

    UNSPSC Code

    UNSPSC Code 25174004(Engine coolant)


    Referencing This Standard

    DOI: 10.1520/D7935_D7935M-14

    ASTM International is a member of CrossRef.

    Citation Format

    ASTM D7935 / D7935M-14, Standard Test Method for Corrosion Test for Non-Aqueous Engine Coolants in Glassware, ASTM International, West Conshohocken, PA, 2014, www.astm.org

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