ASTM D5053-03e1
(Test Method)Standard Test Method for Colorfastness of Crocking of Leather
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
Relations
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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.
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Designation:D5053–03
Standard Test Method for
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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.
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´ NOTE—The word “blue” was removed from 6.3 and footnote 7 was corrected in March 2004.
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-
1.2 The values stated in inch-pound units are to be regarded ference scale; an alternative is to use the gray scale for staining
as the standard. The values given in parentheses are for as suggested in AATCC Method 8.
information only.
5. Significance and Use
1.3 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the 5.1 This test method is intended for use on any type of
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.
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6.1 Apparatus, as specified in AATCC Test Method 8.
,
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2. Referenced Documents
6.2 Test Cloth, white crock.
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6.3 Test Cloth, black crock.
2.1 ASTM Standards:
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D1517 Terminology Relating to Leather
7. Sampling, Test Specimens, and Test Units
D1610 Practice for Conditioning Leather and Leather Prod-
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7.1 The minimum size of the test specimen shall be 2 by 5
ucts for Testing
in. (5.1 by 12.7 cm). However, where nondestructive testing of
D2813 Practice for Sampling Leather for Physical and
skins is desired, the entire skin may be used and tested in any
Chemical Tests
portion of its area. (See Practice D2813 for proper sampling
2.2 AATCC Methods:
area.)
AATCC Method 8 Colorfastness to Crocking:
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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
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noted in the results.
Staining
3. Terminology
3.1 Definitions—For definitions of colorfastness and crock-
ing, refer to AATCC Method 8. For other specific leather
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The sole source of supply of the AATCC crockmeter known to the committee
terminology, see Terminology D1517.
at this time is Atlas Electric Devices Company, 4114 North Ravenswood Avenue,
Chicago, IL 60613. Telephone: (312) 327–4520.
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If you are aware of alternative suppliers, please provide this information to
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This test method is under the jurisdiction ofASTM Committee D31 on Leather ASTMHeadquarters.Yourcommentswillreceivecarefulconsiderationatameeting
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and is the direct responsibility of Subcommittee D31.04 on Apparel of the responsible technical committee, which you may attend.
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Current edition approved Oct. 16, 2003. Published July 2003. Originally The sole source of supply of test cloth known to the committee at this time is
approved in 1995. Last previous edition approved in 2002 as D5053 – 00. DOI: Testfabrics Inc., 200 Blackford Ave., Middlesex, NJ 08846. Telephone: (908)
10.1520/D5053-03E01. 469–6446. Fax: (908) 469–1147.
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Annual Book of ASTM Standards, Vol 15.04. The source of this test cloth is Textile Innovators Corp., 101 Forest St.,
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TechnicalManualoftheAmericanAssociationofTextileChemistandColorist, 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.
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D5053–03
8. Procedure 9.2 Ifacomparisonstandardisused,comparetheclothused
on the test specimen with the cloth used on the standard
8.1 Dry Test—Mount the test specimen flat on the base of
specimen.
the testing machine with its long dimensions in the direction of
9.3 If theAATCC scale is used for comparison, compare the
the motion of the finger. Use white cloth for testing colored
cloths used on the test specimens with the scale.
leathers, and use black cloth for white or light-colored leathers.
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Condition the piece of c
...
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