ASTM D1813-13
(Test Method)Standard Test Method for Measuring Thickness of Leather Test Specimens
Standard Test Method for Measuring Thickness of Leather Test Specimens
SIGNIFICANCE AND USE
3.1 This test method shall be used where precise dimensions are necessary for calculation of properties expressed in physical units. It is not intended to replace practical thickness measurements based on commercial portable tools, nor is it implied that thickness measurements made by the two procedures will agree exactly.
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 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.
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.
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Designation: D1813 − 13
Standard Test Method for
1
Measuring Thickness of Leather Test Specimens
This standard is issued under the fixed designation D1813; 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 4. Apparatus
4.1 Gage, equipped with a dial micrometer, a flat anvil, and
1.1 This test method covers the measurement of the thick-
3
a presser foot loaded by a dead mass.
ness of leather test specimens in which the dimensions of the
specimens are used directly in determining the results of tests 4.2 Dial, graduated to read to the nearest 0.01 mm, with
for physical properties. This test method does not apply to wet small second dial graduated to read to the nearest 1 mm or to
the nearest 0.001 in. and 0.1 in. respectively.
blue.
4.3 Anvil, flat, with a diameter of 0.395 6 0.02 in. (10 6 0.5
1.2 The values stated in inch-pound units are to be regarded
mm) and projecting 0.1 in. (2.5 mm) from the surface of a flat
as standard. The values given in parentheses are mathematical
circular platform about 2 in. (50 mm) in diameter.
conversions to SI units that are provided for information only
4.4 Presser Foot, having a flat surface 0.395 6 0.02 in. (10
and are not considered standard.
6 0.5 mm) in diameter, and can be lifted by a lever at least 13
1.3 This standard does not purport to address all of the
mm or 0.5 in. It shall be dead-mass loaded to exert a total load
safety concerns, if any, associated with its use. It is the
of 13.86 6 0.35 oz (393 6 10 g) on the specimen. The load is
2
responsibility of the user of this standard to establish appro-
equivalent to 500 g/cm . The contacting surface of the presser
priate safety and health practices and determine the applica-
foot and the surface of the anvil shall be parallel within 0.0001
bility of regulatory limitations prior to use.
in. (0.0025 mm).
2. Referenced Documents
5. Test Specimen
2
5.1 The test specimen shall be a piece of leather that has
2.1 ASTM Standards:
been conditioned according to Practice D1610 and cut to the
D1610 Practice for Conditioning Leather and Leather Prod-
dimensions required for the particular physical test.
ucts for Testing
6. Procedure
3. Significance and Use
6.1 Place the specimen on the anvil, and lower the presser
3.1 This test method shall be used where precise dimensions
footgently(donotdrop)untilitrestsonthespecimen.Takethe
are necessary for calculation of properties expressed in physi-
reading 5 s after the full load is reached. Read the thickness to
cal units. It is not intended to replace practical thickness
the nearest 0.01 mm or 0.001 in.
measurements based on commercial portable tools, nor is it
6.2 Take the number of thickness measurements at the
implied that thickness measurements made by the two proce-
desired locations as specified i
...
This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Because
it may not be technically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current version
of the standard as published by ASTM is to be considered the official document.
Designation: D1813 − 00 (Reapproved 2010) D1813 − 13
Standard Test Method for
1
Measuring Thickness of Leather Test Specimens
This standard is issued under the fixed designation D1813; 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
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 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical
conversions to SI units that are provided for information only and are not considered standard.
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.
2. Referenced Documents
2
2.1 ASTM Standards:
D1610 Practice for Conditioning Leather and Leather Products for Testing
3. Significance and Use
3.1 This test method shall be used where precise dimensions are necessary for calculation of properties expressed in physical
units. It is not intended to replace practical thickness measurements based on commercial portable tools, nor is it implied that
thickness measurements made by the two procedures will agree exactly.
4. Apparatus
3
4.1 Gage, equipped with a dial micrometer, a flat anvil, and a presser foot loaded by a dead mass.
4.2 Dial, graduated to read to the nearest 0.01 mm, with small second dial graduated to read to the nearest 1 mm or to the nearest
0.001 in. and 0.1 in. respectively.
4.3 Anvil, flat, with a diameter of 0.395 6 0.02 in. (10 6 0.5 mm) and projecting 0.1 in. (2.5 mm) from the surface of a flat
circular platform about 2 in. (50 mm) in diameter.
4.4 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 mm
or 0.5 in. It shall be dead-mass loaded to exert a total load of 13.86 6 0.35 oz (393 6 10 g) on the specimen. The load is equivalent
2
to 500 g/cm . The contacting surface of the presser foot and the surface of the anvil shall be parallel within 0.0001 in. (0.0025 mm).
5. Test Specimen
5.1 The test specimen shall be a piece of leather that has been conditioned according to Practice D1610 and cut to the
dimensions required for the particular physical test.
1
This test method is under the jurisdiction of ASTM Committee D31 on Leather and is the direct responsibility of Subcommittee D31.07 on Physical Properties. This
test method was developed in cooperation wit
...
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