ASTM D5552-10(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: D5552 − 10 (Reapproved 2023)
Standard Test Method for
Resistance of Colored Leather to Bleeding
This standard is issued under the fixed designation D5552; 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.
1. Scope 5. Apparatus
1.1 This test method covers the determination of the resis-
5.1 Air-Tight Oven.
tance of colored leather to bleeding. This test method does not 3
5.2 Bleached Cotton Sheeting, 2 in. squares (51.6 mm by
apply to wet blue.
51.6 mm).
1.2 This test method is intended for use on finished upper
5.3 Glass Plates, two 6 in. squares (152.4 mm by
leather for shoes or similar end use, or the leather article such
152.4 mm) and 0.125 in. (3.18 mm) thick.
as shoe, handbag, etc.
1.3 The values stated in inch-pound units are to be regarded
6. Test Specimen
as standard. The values given in parentheses are mathematical
6.1 The test specimen shall be a 4 in. square (101.6 mm by
conversions to SI units that are provided for information only
101.6 mm) of finished leather.
and are not considered standard.
1.4 This standard does not purport to address all of the
7. Procedure
safety concerns, if any, associated with its use. It is the
7.1 Place the unfinished side of the leather specimen on the
responsibility of the user of this standard to establish appro-
center of one of the glass plates. Thoroughly soak the four
priate safety, health, and environmental practices and deter-
squares of cotton sheeting in distilled water for 5 min. Stack
mine the applicability of regulatory limitations prior to use.
them on top of each other on the other glass plate. Invert this
1.5 This international standard was developed in accor-
plate with the cotton cloths, and place on top of the other plate
dance with internationally recognized principles on standard-
holding the leather specimen. The cloths should line up
ization established in the Decision on Principles for the
approximately in the center of the leather specimen.
Development of International Standards, Guides and Recom-
7.2 The cloth in immediate contact with the leather is
mendations issued by the World Trade Organization Technical
marked Number 1, the next cloth Number 2, the next Number
Barriers to Trade (TBT) Committee.
3 and the top cloth Number 4. Place this entire sandwich in an
2. Referenced Documents
oven at 120 °F (49 °C) for 12 h to 16 h. Remove the glass
2.1 ALCA Method:
plates and observe the individual cloths for discoloration.
K 12 Method for Testing Resistance of Colored Leather to
Bleeding
8. Report
8.1 Migration of Bleeding—Observe each of the four cloths
3. Terminology
for coloration and report migration as 0, 1, 2, 3, or 4. The
3.1 Definitions of Terms Specific to This Standard:
numbers indicate the cotton cloth that discoloration has
3.1.1 bleeding, n—the transfer of color from a finished
reached by migration.
leather sample onto or into another medium.
8.2 Hue—Note the predominant hue of the colors that bled
4. Significance and Use
on each cloth.
4.1 Bleed resistance is considered to be an important char-
8.3 Intensity—Observe each cloth Number 1 for this pur-
acteristic in leather used to make lined and
...