ASTM D5053-03(2015)

Standard Test Method for Colorfastness of Crocking of Leather

SIGNIFICANCE AND USE
5.1 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-Aug-2015
• ICS: 59.140.30 - Leather and furs
• Technical Committee: D31 - Leather
• Drafting Committee: D31.04 - Apparel

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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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 2015)
Standard Test Method for
1
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 4. Summary of Test Method
1.1 This test method covers the determination of the degree 4.1 A specimen 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.
2
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.)
3
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
3
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 to AATCC Method 8. For other specific leather
the testing machine with its long dimensions in the direction of
terminology, see Terminology D1517.
4
The sole source of supply of the AATCC crockmeter known to the committee
1
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: [phone].
5
Current edition approved Sept. 1, 2015. Published October 2015. Originally If you are aware of alternative suppliers, please provide this information to
approved in 1995. Last previous edition approved in 2009 as D5053 – 03(2009). ASTM Headquarters. Your comments will receive careful consideration at a meeting
1
DOI: 10.1520/D5053-03R15. 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].
7
the ASTM website. The source of this test cloth is Textile Innovators Corp., 101 Forest St.,
3
Technical Manual of the American Association of Textile Chemist and Colorist, Windsor, NC 27983, Tel No. 252–794–9703, Fax No. 252–794–9704. Order as TIC
P.O. Box 12215, Research Triangle Park, NC 27709-2215. 400 Cotton print cloth, Direct Black 22.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

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D5053 − 03 (2015)
the motion of the finger. Use white cloth for testing colored 9.3 If the AATCC scale is used for comparison, compare the
leathers, and use black cloth for white or light-colored leathers. cloths used on the test
...

This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: D5053 − 03 (Reapproved 2009) D5053 − 03 (Reapproved 2015)
Standard Test Method for
1
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
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.
2. Referenced Documents
2
2.1 ASTM Standards:
D1517 Terminology Relating to Leather
D1610 Practice for Conditioning Leather and Leather Products for Testing
D2813 Practice for Sampling Leather for Physical and Chemical Tests
2.2 AATCC Methods:
AATCC Method 8 Colorfastness to Crocking:
3
AATCC Crockmeter Method
3
AATCC Chromatic Transference Scale or Gray Scale for Staining
3. Terminology
3.1 Definitions—For definitions of colorfastness and crocking, refer to AATCC Method 8. For other specific leather
terminology, see Terminology D1517.
4. Summary of Test Method
4.1 A specimen of the leather sample fastened to the base of a crockmeter is rubbed with white crock test cloth under controlled
conditions. Color transferred to the white cloth is assessed by a comparison with the AATCC chromatic transference scale; an
alternative is to use the gray scale for staining as suggested in AATCC Method 8.
5. Significance and Use
5.1 This test method is intended for use on any type of leather.
1
This test method is under the jurisdiction of ASTM Committee D31 on Leather and is the direct responsibility of Subcommittee D31.04 on Apparel
Current edition approved Nov. 1, 2009Sept. 1, 2015. Published December 2009October 2015. Originally approved in 1995. Last previous edition approved in 20032009
ε1
as D5053 – 03 .(2009). DOI: 10.1520/D5053-03R09.10.1520/D5053-03R15.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or contact ASTM Customer Service at [e-mail]. For Annual Book of ASTM Standards
volume information, refer to the standard’s Document Summary page on the ASTM website.
3
Technical Manual of the American Association of Textile Chemist and Colorist, P.O. Box 12215, Research Triangle Park, NC 27709-2215.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1

---------------------- Page: 1 ----------------------
D5053 − 03 (2015)
6. Apparatus
4,5
6.1 Apparatus, as specified in AATCC Test Method 8.
5,6
6.2 Test Cloth, white crock.
5,7
6.3 Test Cloth, black crock.
7. Sampling, Test Specimens, and Test Units
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 skins
is desired, the entire skin may be used and tested in any portion of its area. (See Practice D2813 for proper sampling area.)
7.2 All specimens shall be conditioned as prescribed in Practice D1610. Conditioning other than as prescribed shall be noted
in the results.
8. Procedure
8.1 Dry Test—Mount the test specimen flat on the base of the testing machine with its long dimensions in the direction of the
motion of the finger. Use white cloth for testing colored leathers, and use black cloth for white or light-colored leathers. Condition
2
the piece of cloth, 2 in. , for at least 2 h in the standard atmosphere. Then place on the end of the finger with the weave of the
cloth oblique to the direction of rubbing. Place the finger with the cloth cover on the specimen and operate the machine for ten
complete turns of the crank at a rate of one turn per second. When a comparison is required, test a standard specimen in the same
manner.
8.2 Wet Test—Place a new area of the test specimen and a new piece of cloth on the testing machine as described in 8.1. Before
placing
...