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ASTM

ASTM D2213-00(2005)

(Test Method)

Standard Test Method for Compressibility of Leather

Standard Test Method for Compressibility of Leather

SIGNIFICANCE AND USE
Compressibility is considered an important factor that influences wear resistance of sole leather.3 ,4
SCOPE
1.1 This test method covers the determination of the compressibility of sole 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 provided for information only.

General Information

Status
Historical
Publication Date
31-Aug-2005
ICS
59.140.30 - Leather and furs
Technical Committee
D31 - Leather
Drafting Committee
D31.01 - Vegetable Leather
Current Stage
Ref Project

Relations

Replaces
ASTM D2213-00 - Standard Test Method for Compressibility of Leather
Effective Date
01-Sep-2005
Replaced By
ASTM D2213-00(2010) - Standard Test Method for Compressibility of Leather
Effective Date
01-Apr-2010

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ASTM D2213-00(2005) - Standard Test Method for Compressibility of Leather
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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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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:D2213–00(Reapproved2005)
Standard Test Method for
Compressibility of Leather
This standard is issued under the fixed designation D2213; 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.
1. Scope 6. Apparatus
1.1 This test method covers the determination of the com- 6.1 Press, either hand- or power-driven, having a capacity
pressibility of sole leather. This test method does not apply to of at least 15 000 lbf (67 kN) permitting a pressure of 3000 6
wet blue. 100 psi (21 6 1 MPa). The rate of increase shall not exceed
1.2 The values stated in inch-pound units are to be regarded 200 psi/s (1.4 MPa/s). The press shall contain two flat steel
as the standard. The values given in parentheses are provided plates and an indicator for reading the applied force.Asuitable
for information only. testing machine may also be used.
6.2 Stop Watch, or other suitable timing device.
2. Referenced Documents
7. Test Specimen
2.1 ASTM Standards:
D1610 Practice for Conditioning Leather and Leather Prod- 7.1 The specimen shall be a square of leather 2 by 2 6 ⁄32
ucts for Testing in. (51 by 51 6 0.8 mm) cut by a die.
D1813 Test Method for Measuring Thickness of Leather
8. Procedure
Test Specimens
8.1 Condition the specimens in accordance with Practice
3. Terminology
D1610.
3.1 Definition: 8.2 Measure the initial thickness of the specimen at the
3.1.1 compressibility—the percentage change in thickness middle of each side approximately 0.5 in. (12.7 mm) from the
of a specimen on being subjected to a specified pressure for a edgeinaccordancewithMethodD1813averagedandrecorded
period of time. as T .
8.3 Place the specimen between the flat steel plates and
4. Summary of Test Method
apply pressure at a rate not greater than 200 psi/s (1.4 MPa/ s)
4.1 A load of 12 000 lbf (53 kN) or 3000 psi (21 MPa) is until the required 3000 6 100 psi (21 6 1 MPa) is reached.
2 2
applied to a leather specimen 2 by 2-in. (51 by 51-mm ). The
NOTE 1—The operator shall take care to apply the force uniformly and
percentage change in initial thickness, determined by measur-
perpendicular to the leather surfaces.
ing thicknesses before and after compression, represents the
8.4 Maintain the load for 3 min, continuously correcting for
compressibility of the sample.
relaxation or loss in force, and then release.
5. Significance and Use 8.5 Remove the specimen from the apparatus and immedi-
ately remeasure in accordance with 8.2. Record the final
5.1 Compressibility is considered an important factor that
,
3 4 thickness as T .
influences wear resistance of sole leather.
9. Calculation
9.1 Calculate the percentage compressibility as follows:
This test method is under the jurisdiction ofASTM Committee D31 on Leather
and is the direct responsibility of Subcommittee D31.01 on Vegetable Leather. This Compressibility, % 5 [ T 2 T /T 3 100 (1)
~ ! #
1 2 1
test method was developed in cooperation with the American Leather Chemists
Assn. (Standard Method E45 – 1953).
Current edition approved Sept. 1, 2005. Published September 2005. Original
...

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