ASTM D5053-03(2023)

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.
Designation: D5053 − 03 (Reapproved 2023)
Standard Test Method for
Colorfastness of Crocking of Leather
This standard is issued under the fixed designation D5053; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the U.S. Department of Defense.
1. Scope 3. Terminology
1.1 This test method covers the determination of the degree 3.1 Definitions—For definitions of colorfastness and
of color that may be transferred from leather to other surfaces crocking, refer to AATCC Method 8. For other specific leather
by rubbing under wet (damp) or dry conditions, or both. This terminology, see Terminology D1517.
test method does not apply to wet blue.
4. Summary of Test Method
1.2 The values stated in inch-pound units are to be regarded
4.1 A specimen of the leather sample fastened to the base of
as the standard. The values given in parentheses are for
a crockmeter is rubbed with white crock test cloth under
information only.
controlled conditions. Color transferred to the white cloth is
1.3 This standard does not purport to address all of the
assessed by a comparison with the AATCC chromatic trans-
safety concerns, if any, associated with its use. It is the
ference scale; an alternative is to use the gray scale for staining
responsibility of the user of this standard to establish appro-
as suggested in AATCC Method 8.
priate safety, health, and environmental practices and deter-
5. Significance and Use
mine the applicability of regulatory limitations prior to use.
1.4 This international standard was developed in accor-
5.1 This test method is intended for use on any type of
dance with internationally recognized principles on standard-
leather.
ization established in the Decision on Principles for the
6. Apparatus
Development of International Standards, Guides and Recom-
4,5
mendations issued by the World Trade Organization Technical
6.1 Apparatus, as specified in AATCC Test Method 8.
Barriers to Trade (TBT) Committee.
5,6
6.2 Test Cloth, white crock.
5,7
2. Referenced Documents
6.3 Test Cloth, black crock.
2.1 ASTM Standards:
7. Sampling, Test Specimens, and Test Units
D1517 Terminology Relating to Leather
7.1 The minimum size of the test specimen shall be 2 in. by
D1610 Practice for Conditioning Leather and Leather Prod-
ucts for Testing 5 in. (5.1 cm by 12.7 cm). However, where nondestructive
testing of skins is desired, the entire skin may be used and
D2813 Practice for Sampling Leather for Physical and
Chemical Tests tested in any portion of its area. (See Practice D2813 for proper
sampling area.)
2.2 AATCC Methods:
AATCC Method 8 Colorfastness to Crocking:
7.2 All specimens shall be conditioned as prescribed in
AATCC Crockmeter Method
Practice D1610. Conditioning other than as prescribed shall be
AATCC Chromatic Transference Scale or Gray Scale for
noted in the results.
Staining
The sole source of supply of the AATCC crockmeter known to the committee
This test method is under the jurisdiction of ASTM Committee D31 on Leather at this time is Atlas Electric Devices Company, 4114 North Ravenswood Avenue,
and is the direct responsibility of Subcommittee D31.04 on Apparel Chicago, IL 60613. Telephone: (312) 327–4520.
Current edition approved May 1, 2023. Published May 2023. Originally If you are aware of alternative suppliers, please provide this information to
approved in 1995. Last previous edition approved in 2015 as D5053 – 03 (2015). ASTM Headquarters. Your comments will receive careful consideration at a meeting
DOI: 10.1520/D5053-03R23. of the responsible technical committee, which you may attend.
2 6
For referenced ASTM standards, visit the ASTM website, www.astm.org, or The sole source of supply of test cloth known to the committee at this time is
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM Testfabrics Inc., 200 Blackford Ave., Middlesex, NJ 08846. Telephone: (908)
Standards volume information, refer to the standard’s Document Summary page on 469–6446. Fax: (908) 469–1147.
the ASTM website. The source of this test cloth is Textile Innovators Corp., 101 Forest St.,
Technical Manual of the American Association
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