Standard Historical Last Updated: Sep 13, 2023 Track Document
ASTM D3495-10(2015)

Standard Test Method for Hexane Extraction of Leather

Standard Test Method for Hexane Extraction of Leather D3495-10R15 ASTM|D3495-10R15|en-US Standard Test Method for Hexane Extraction of Leather Standard new BOS Vol. 15.04 Committee D31
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Significance and Use

3.1 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.


1.1 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.

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Book of Standards Volume: 15.04
Developed by Subcommittee: D31.06
Pages: 2
DOI: 10.1520/D3495-10R15
ICS Code: 59.140.30