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ASTM

ASTM D6012-03

(Test Method)

Standard Test Method for Determination of Resistance of Leather to (Bleeding) Color Stain Transfer

Standard Test Method for Determination of Resistance of Leather to (Bleeding) Color Stain Transfer

SIGNIFICANCE AND USE
Bleed resistance is considered to be an important characteristic in leather used to make lined and unlined items that may come in contact with water.
SCOPE
1.1 This test method² covers the determination of whether leather bleeds (exudes coloring matter) when in intimate contact with wet surfaces, as indicated by staining produced on wet cloth in contact with the leather. 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
61.040 - Headgear. Clothing accessories. Fastening of clothing
Technical Committee
D31 - Leather
Drafting Committee
D31.04 - Apparel
Current Stage
Ref Project

Relations

Replaces
ASTM D6012-00 - Standard Test Method for Determination of Resistance of Leather to Bleeding
Effective Date
10-May-2003
Replaced By
ASTM D6012-03(2008) - Standard Test Method for Determination of Resistance of Leather to (Bleeding) Color Stain Transfer
Effective Date
01-Sep-2008

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ASTM D6012-03 - Standard Test Method for Determination of Resistance of Leather to (Bleeding) Color Stain TransferASTM D6012-03 - Standard Test Method for Determination of Resistance of Leather to (Bleeding) Color Stain Transfer
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ASTM D6012-03 - Standard Test Method for Determination of Resistance of Leather to (Bleeding) Color Stain Transfer
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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:D6012–03
Standard Test Method for
Determination of Resistance of Leather to (Bleeding) Color
1
Stain Transfer
This standard is issued under the fixed designation D 6012; 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.
This standard has been approved for use by agencies of the Department of Defense.
1. Scope weight placed on top of the square. The combined weight shall
2 be 100 6 5 g. (An assembly consisting of a plastic or glass
1.1 This test method covers the determination of whether
plate and a 1 fluid oz (29 cc) plastic or glass jar with plastic lid
leather bleeds (exudes coloring matter) when in intimate
to which the appropriate amount of lead shot or steel balls is
contact with wet surfaces, as indicated by staining produced on
added has been found suitable. The plate and jar may be held
wet cloth in contact with the leather. This test method does not
together by a suitable cement or pressure-sensitive adhesive
apply to wet blue.
tape.)
1.2 The values stated in inch-pound units are to be regarded
5.2 Container, flat-bottomed, heat-resistant plastic or other
as the standard. The values given in parentheses are for
similar material with cover of sufficient size to accommodate a
information only.
maximum of 15 specimens.Acontainer 12 in. (300 mm) long,
1.3 This standard does not purport to address all of the
9 in. (230 mm) wide and 4 in. (100 mm) high has been found
safety concerns, if any, associated with its use. It is the
suitable.
responsibility of the user of this standard to establish appro-
5.3 Forced Circulating-Air Oven, capable of maintaining
priate safety and health practices and determine the applica-
the required temperature of 38 6 2°C (100.4 6 3.6°F).
bility of regulatory limitations prior to use.
5.4 Balance, single beam or high speed.
4
2. Referenced Documents 5.5 Bleached Cotton Sheeting, 2-in. (51.6-mm) squares.
2.1 ASTM Standards:
6. Test Specimen
D 1610 Practice for Conditioning Leather and Leather
3
6.1 The specimen shall be a square of leather 1.0 by 1.0 in.
Products for Testing
(25 by 25 mm).
3. Terminology
6.2 Number of Determinations—Unless otherwise specified
in the material specification, one specimen from each sample
3.1 Definitions of Terms Specific to This Standard:
unit shall be tested.
3.1.1 bleeding—the transfer of color from a finished leather
sample onto or into another medium.
7. Procedure
4. Significance and Use
7.1 Bring the leather specimen and the color transfer pad
made of 4 layers of cotton sheeting to moisture equilibrium in
4.1 Bleed resistance is considered to be an important char-
accordance with standard atmospheric conditions (see Practice
acteristic in leather used to make lined and unlined items that
D 1610).Weightheconditionedpadtothenearest0.05g.After
may come in contact with water.
weighing,wetthepadwithenoughdistilledwatertodoublethe
5. Apparatus
weight of the conditioned pad.
5.1 One or More Assemblies, consisting of a flat glass or
NOTE 1—The dry weight of the conditioned pad is usually 1.0 to 1.1 g,
plastic square, and same size as transfer pad with a suitable
and the weight of the wet pad is usually 2.0 to 2.2 g.
If necessary, remove excess water from the pad in order to
1
This test method is under the jurisdiction ofASTM Committee D31 on Leather
attain the proper weight. Place the wet pad in the bottom of the
and is the direct responsibility of Subcommittee D31.04 on Apparel.
Current edition approved May 10, 2003. Published July 2003. Originally
approved in 1996. Last previous edition approved in 2000 as D 6012–00.
2 4
This test method was developed from Federal Test Method Standard No. 311 The sole source of supply of the color transfer cloth known to the committee at
Method 3021.2 in cooperation with the U.S. Army Natick Research Development this time is Test Fabrics, Inc., P.O. Box 53, 200 Blackford Ave., Middlesex, NJ
and Engineering Center, Natick, MA, and the Defense Personnel Support Center 08846. If you are aware of alternative suppliers, please provide this information to
Directorate of Clothing and Textiles, Philadelphia, PA. ASTMHeadquarters.Yourcommentswillreceivecarefulconsiderationatameeting
3
Annual Book of ASTM Standards, Vol 15.04. of the responsible technical committee, which you may attend.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
D6012–03
plasticcontainer,andplacetheleatherspecimenapproximately 9. Precision and Bias
in the center of the pad. Unless otherwise specified, the grain
9.1
...

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5.1 The resistance of a zipper to a variety of saline and non-saline environments can be estimated from the amount and nature of corrosion products and their effect on operability. Results of exposure to the salt spray are merely indicative of the reaction to other corrosive conditions. While the results cannot be related precisely to a given length of exposure in a specific atmosphere, they are useful for measuring relative performance under prescribed conditions for controlling a manufacturing process, and for measuring the effectiveness of protective coatings.  
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SIGNIFICANCE AND USE
5.1 This test method is useful in determining if the loss of color due to light exposure is satisfactory for the intended end-use.  
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