ASTM D1813-00
(Test Method)Standard Test Method for Measuring Thickness of Leather Test Specimens
Standard Test Method for Measuring Thickness of Leather Test Specimens
SCOPE
1.1 This test method covers the measurement of the thickness of leather test specimens in which the dimensions of the specimens are used directly in determining the results of tests for physical properties. this test method does not apply to wet blue.
1.2 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.
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Designation:D1813–00
Standard Test Method for
Measuring Thickness of Leather Test Specimens
This standard is issued under the fixed designation D 1813; 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 3.4 Presser Foot, having a flat surface 0.395 6 0.02 in. (10
6 0.5 mm) in diameter, and can be lifted by a lever at least 13
1.1 This test method covers the measurement of the thick-
mm or 0.5 in. It shall be dead-mass loaded to exert a total load
ness of leather test specimens in which the dimensions of the
of 13.86 6 0.35 oz (393 6 10 g) on the specimen. The load is
specimens are used directly in determining the results of tests
equivalent to 500 g/cm . The contacting surface of the presser
for physical properties. This test method does not apply to wet
foot and the surface of the anvil shall be parallel within 0.0001
blue.
in. (0.0025 mm).
1.2 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the
4. Test Specimen
responsibility of the user of this standard to establish appro-
4.1 The test specimen shall be a piece of leather that has
priate safety and health practices and determine the applica-
been conditioned and cut to the dimensions required for the
bility of regulatory limitations prior to use.
particular physical test.
2. Significance and Use
5. Procedure
2.1 Thistestmethodshallbeusedwhereprecisedimensions
5.1 Place the specimen on the anvil, and lower the presser
are necessary for calculation of properties expressed in physi-
footgently(donotdrop)untilitrestsonthespecimen.Takethe
cal units. It is not intended to replace practical thickness
reading 5 s after the full load is reached. Read the thickness to
measurements based on commercial portable tools, nor is it
the nearest 0.01 mm or 0.001 in.
implied that thickness measurements made by the two proce-
5.2 Take the number of thickness measurements at the
dures will agree exactly.
desired locations as specified in the particular physical test
3. Apparatus method being used.
3.1 Gage, equipped with a dial micrometer, a flat anvil, and
6. Report
a presser foot loaded by a dead mass.
6.1 The report shall include the following:
3.2 Dial, graduated to read to the nearest 0.01 mm, with
6.1.1 Thickness of each specimen, reported as the average
small second dial graduated to read to the nearest 1 mm or to
of the thickness measurements taken
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