ASTM D2347-00

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation:D2347–00
Standard Test Method for
Measuring Area of Leather Test Specimens
This standard is issued under the fixed designation D 2347; 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.
1. Scope range. When rigid and thick leathers, such as sole leathers, are
being measured, a knife may be used to produce the test
1.1 This test method covers the measurement of the surface
specimen provided straight edges are obtained.
area of leather test specimens. Unless otherwise specified, the
5.2 Mallet or Clicking Machine.
surface to be measured shall be the grain surface or the surface
5.3 Rule or Steel Tape, graduated to 1.0 mm.
most closely adjacent to the grain surface. This test method
5.4 Caliper, graduated to 1.0 mm (recommended for sole
does not apply to wet blue.
leather).
1.2 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the
6. Test Specimen
responsibility of the user of this standard to establish appro-
6.1 The specimen shall be a circular or rectangular piece of
priate safety and health practices and determine the applica-
leather cut from leather sides or skins that have been condi-
bility of regulatory limitations prior to use.
tioned in accordance with Practice D 1610 for 48 h in an
2. Referenced Documents atmosphere maintained at 73.4 6 1.8°F (23 6 1°C) and 50 6
4 % relative humidity.
2.1 ASTM Standards:
6.2 The specimens used in this test method generally range
D 1610 Practice for Conditioning Leather and Leather
in area from 1500 to 10 000 mm .
Products for Testing
6.3 Do not die out or cut specimens from areas that show
3. Terminology
surface defects such as indentations, creases, or cuts.
3.1 Definitions of Terms Specific to This Standard:
7. Procedure
3.1.1 area of a circular specimen—the average diameter
p 7.1 Place the specimen with the grain side up on a flat
squared and multiplied by ⁄4 and reported to the nearest 1
surface and spread it out without pulling or stretching. Using a
mm .
rule or steel tape for flexible leathers and a caliper for sole
3.1.2 area of a rectangular specimen—the product of the
leathers, make three measurements equally spaced along the
average distance across the width of the grain surface multi-
widthandthreemeasurementsalongthelengthofthespecimen
plied by the average distance across the length of the grain
to the nearest 1.0 mm.
surface of the leather specimen to the nearest 1 mm .
7.2 Measure the diameter of the specimen by placing a rule
4. Significance and Use
or steel tape across its widest girth and note the length on the
rule or tape extending over the specimen. Repeat this measure-
4.1 This test method is designed to measure the area of
ment four times at radii approximately 45° to each other and
specimens before and after they are subjected to various tests
aver
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