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    ASTM D5662 - 19a

    Standard Test Method for Determining Automotive Gear Oil Compatibility with Typical Oil Seal Elastomers

    Active Standard ASTM D5662 | Developed by Subcommittee: D02.B0.03

    Book of Standards Volume: 05.02

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    Significance and Use

    5.1 There are several major causes of automotive lubricant-related seal failures. This test method addresses only those failures caused by excessive elastomer hardening, elongation loss, and volume swell and attempts to determine the likelihood that an oil might cause premature sealing system failures in field use. This test method may be used as a requirement of a performance specification, such as Specification D5760 and J2360.

    5.2 Another major cause of seal failure is the formation of carbon, varnish, and sludge-like deposits on the seal lip. The deposit-forming characteristics of automotive gear oils are evaluated in Test Method D5704. That procedure is intended in part to evaluate the potential for oils to cause premature seal failure in field service.

    1. Scope

    1.1 This test method2 covers the determination of the compatibility of automotive gear oils with specific nitrile, polyacrylate, and fluoroelastomer oil seal materials.

    1.2 Users of this test method should obtain Test Methods D412, D471, and D2240 and become familiar with their use before proceeding with this test method.

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

    1.5 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.

    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

    D412 Test Methods for Vulcanized Rubber and Thermoplastic ElastomersTension

    D471 Test Method for Rubber PropertyEffect of Liquids

    D2240 Test Method for Rubber PropertyDurometer Hardness

    D5704 Test Method for Evaluation of the Thermal and Oxidative Stability of Lubricating Oils Used for Manual Transmissions and Final Drive Axles

    D5760 Specification for Performance of Manual Transmission Gear Lubricants

    E29 Practice for Using Significant Digits in Test Data to Determine Conformance with Specifications

    SAE Standard

    J2360 Lubricating Oil, Gear Multipurpose (Metric) Military Use

    ICS Code

    ICS Number Code 43.060.30 (Cooling systems. Lubricating systems)

    UNSPSC Code

    UNSPSC Code 15121902(Grease)

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

    DOI: 10.1520/D5662-19A

    Citation Format

    ASTM D5662-19a, Standard Test Method for Determining Automotive Gear Oil Compatibility with Typical Oil Seal Elastomers, ASTM International, West Conshohocken, PA, 2019, www.astm.org

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