ASTM D5053-03

Standard Test Method for Colorfastness of Crocking 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: 09-May-2003
• ICS: 59.140.30 - Leather and furs
• Technical Committee: D31 - Leather
• Drafting Committee: D31.04 - Apparel

Relations

• Replaces: ASTM D5053-00 - Standard Test Method for Colorfastness of Crocking of Leather
• Effective Date: 10-May-2003
• Replaced By: ASTM D5053-03e1 - Standard Test Method for Colorfastness of Crocking of Leather
• Effective Date: 10-May-2003

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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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: D 5053 – 03
Standard Test Method for
1
Colorfastness of Crocking of Leather
This standard is issued under the fixed designation D 5053; 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 (e) indicates an editorial change since the last revision or reapproval.
1. Scope ference scale; an alternative is to use the gray scale for staining
as suggested in AATCC Method 8.
1.1 This test method covers the determination of the degree
of color that may be transferred from leather to other surfaces
5. Significance and Use
by rubbing under wet (damp) or dry conditions, or both. This
5.1 This test method is intended for use on any type of
test method does not apply to wet blue.
leather.
1.2 The values stated in inch-pound units are to be regarded
as the standard. The values given in parentheses are for
6. Apparatus
information only.
4,5
6.1 Apparatus, as specified in AATCC Test Method 8.
1.3 This standard does not purport to address all of the
,
5 6
6.2 Test Cloth, white crock.
safety concerns, if any, associated with its use. It is the
5,7
6.3 Test Cloth, (blue) black crock.
responsibility of the user of this standard to establish appro-
priate safety and health practices and determine the applica-
7. Sampling, Test Specimens, and Test Units
bility of regulatory limitations prior to use.
7.1 The minimum size of the test specimen shall be 2 by 5
in. (5.1 by 12.7 cm). However, where nondestructive testing of
2. Referenced Documents
skins is desired, the entire skin may be used and tested in any
2.1 ASTM Standards:
2 portion of its area. (See Practice D 2813 for proper sampling
D 1517 Terminology Relating to Leather
area.)
D 1610 Practice for Conditioning Leather and Leather
2 7.2 All specimens shall be conditioned as prescribed in
Products for Testing
Practice D 1610. Conditioning other than as prescribed shall be
D 2813 Practice for Sampling Leather for Physical and
2 noted in the results.
Chemical Tests
2.2 AATCC Methods:
8. Procedure
AATCC Method 8 Colorfastness to Crocking:
8.1 Dry Test—Mount the test specimen flat on the base of
3
AATCC Crockmeter Method
the testing machine with its long dimensions in the direction of
AATCC Chromatic Transference Scale or Gray Scale for
the motion of the finger. Use white cloth for testing colored
3
Staining
leathers, and use blue cloth for white or light-colored leathers.
2
Condition the piece of cloth, 2 in. , for at least2hinthe
3. Terminology
standard atmosphere. Then place on the end of the finger with
3.1 Definitions—For definitions of colorfastness and crock-
the weave of the cloth oblique to the direction of rubbing. Place
ing, refer to AATCC Method 8. For other specific leather
terminology, see Terminology D 1517.
4. Summary of Test Method 4
The sole source of supply of the AATCC crockmeter known to the committee
at this time is Atlas Electric Devices Company, 4114 North Ravenswood Avenue,
4.1 A specimen of the leather sample fastened to the base of
Chicago, IL 60613. Telephone: [phone].
a crockmeter is rubbed with white crock test cloth under
5
If you are aware of alternative suppliers, please provide this information to
controlled conditions. Color transferred to the white cloth is
ASTM Headquarters. Your comments will receive careful consideration at a meeting
1
of the responsible technical committee, which you may attend.
assessed by a comparison with the AATCC chromatic trans-
6
The sole source of supply of test cloth known to the committee at this time is
Testfabrics Inc., 200 Blackford Ave., Middlesex, NJ 08846. Telephone: (908)
469–6446. Fax: [phone].
1 7
This test method is under the jurisdiction of ASTM Committee D31 on Leather (The sole source of supply of test cloth known to the committee at this time is
and is the direct responsibility of Subcommittee D31.04 on Apparel and Upholstery. Wolverine Leathers, Tannery Laboratory, 123 N. Main St., Rockford, MI 49351.
Current edition approved May 10, 2003. Published July 2003. Originally Telephone: [phone]. Fax: [phone]. Test cloth shall be ordered by
approved in 1995. Last previous edition approved in 2002 as D 5053 – 00. specified inches from a 48 in. wide bolt of material.) The source of this test cloth is
2
Annual Book of ASTM Standards, Vol 15.04. Textile Innovators Corp., 101 Forest St., Windsor, NC 27983, Tel No.
3
Technical Manual of the American Association of Textile Chemist and Colorist, 252–794–9703, Fax No. 252–794–9704. Order as TIC 400 Cotton print cloth, Direct
P.O. Box 12215, Research Triangle Park, NC 27709-2215. Black 22.
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