ASTM D5053-03(2009)

Standard Test Method for Colorfastness of Crocking of Leather

SIGNIFICANCE AND USE
This test method is intended for use on any type of leather.
SCOPE
1.1 This test method covers the determination of the degree of color that may be transferred from leather to other surfaces by rubbing under wet (damp) or dry conditions, or both. This test method does not apply to wet blue.
1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.
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.

General Information

• Status: Historical
• Publication Date: 31-Oct-2009
• ICS: 59.140.30 - Leather and furs
• Technical Committee: D31 - Leather
• Drafting Committee: D31.04 - Apparel

Relations

• Replaces: ASTM D5053-03e1 - Standard Test Method for Colorfastness of Crocking of Leather
• Effective Date: 01-Nov-2009

Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: D5053 − 03(Reapproved 2009)
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 Department of Defense.
1. Scope 4. Summary of Test Method
1.1 This test method covers the determination of the degree 4.1 Aspecimen of the leather sample fastened to the base of
of color that may be transferred from leather to other surfaces a crockmeter is rubbed with white crock test cloth under
by rubbing under wet (damp) or dry conditions, or both. This controlled conditions. Color transferred to the white cloth is
test method does not apply to wet blue. assessed by a comparison with the AATCC chromatic trans-
ference scale; an alternative is to use the gray scale for staining
1.2 The values stated in inch-pound units are to be regarded
as suggested in AATCC Method 8.
as the standard. The values given in parentheses are for
information only.
5. Significance and Use
1.3 This standard does not purport to address all of the
5.1 This test method is intended for use on any type of
safety concerns, if any, associated with its use. It is the
leather.
responsibility of the user of this standard to establish appro-
priate safety and health practices and determine the applica-
6. Apparatus
bility of regulatory limitations prior to use.
4,5
6.1 Apparatus, as specified in AATCC Test Method 8.
5,6
2. Referenced Documents
6.2 Test Cloth, white crock.
5,7
2.1 ASTM Standards:
6.3 Test Cloth, black crock.
D1517 Terminology Relating to Leather
7. Sampling, Test Specimens, and Test Units
D1610 Practice for Conditioning Leather and Leather Prod-
ucts for Testing
7.1 The minimum size of the test specimen shall be 2 by 5
D2813 Practice for Sampling Leather for Physical and
in. (5.1 by 12.7 cm). However, where nondestructive testing of
Chemical Tests
skins is desired, the entire skin may be used and tested in any
2.2 AATCC Methods:
portion of its area. (See Practice D2813 for proper sampling
AATCC Method 8 Colorfastness to Crocking:
area.)
AATCC Crockmeter Method
7.2 All specimens shall be conditioned as prescribed in
AATCC Chromatic Transference Scale or Gray Scale for
Practice D1610. Conditioning other than as prescribed shall be
Staining
noted in the results.
3. Terminology
8. Procedure
3.1 Definitions—For definitions of colorfastness and
8.1 Dry Test—Mount the test specimen flat on the base of
crocking, refer toAATCC Method 8. For other specific leather
the testing machine with its long dimensions in the direction of
terminology, see Terminology D1517.
The sole source of supply of the AATCC crockmeter known to the committee
This test method is under the jurisdiction ofASTM 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: [phone].
Current edition approved Nov. 1, 2009. Published December 2009. Originally If you are aware of alternative suppliers, please provide this information to
´1
approved in 1995. Last previous edition approved in 2003 as D5053 – 03 . DOI: ASTMHeadquarters.Yourcommentswillreceivecarefulconsiderationatameeting
10.1520/D5053-03R09. 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 [e-mail]. 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: [phone].
the ASTM website. The source of this test cloth is Textile Innovators Corp., 101 Forest St.,
TechnicalManualoftheAmericanAssociationofTextileChemistandColorist, Windsor, NC 27983, Tel No. 252–79
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