ASTM D3495 - 10

    Standard Test Method for Hexane Extraction of Leather

    Active Standard ASTM D3495 | Developed by Subcommittee: D31.06

    Book of Standards Volume: 15.04


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    Significance and Use

    This test method measures the amount of hexane-soluble lubricant present in all types of leather. Adequate lubrication prevents abrasion of leather fibers during flexing. This lubrication is generally obtained from the fat liquor added at the tannery. Some lubrication is also obtained from natural grease produced during the life of the animal.

    1. Scope

    1.1 This test method covers the quantitative extraction of all types of leather with hexane. This test method does not apply to wet blue.

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

    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.


    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

    D2813 Practice for Sampling Leather for Physical and Chemical Tests

    D3790 Test Method for Volatile Matter (Moisture) of Leather by Oven Drying


    ICS Code

    ICS Number Code 59.140.30 (Leather and furs)

    UNSPSC Code

    UNSPSC Code 11162300(Leathers)


    Referencing This Standard

    DOI: 10.1520/D3495-10

    ASTM International is a member of CrossRef.

    Citation Format

    ASTM D3495-10, Standard Test Method for Hexane Extraction of Leather, ASTM International, West Conshohocken, PA, 2010, www.astm.org

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