ASTM F373-82(1994)e1

NOTICE: This standard has either been superseded and replaced by a new version or discontinued.
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e1
Designation: F 373 – 82 (Reapproved 1994)
Standard Test Method for
Embossed Depth of Resilient Floor Coverings
This standard is issued under the fixed designation F 373; 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.
e NOTE—Keywords were added in September 1994.
1. Scope 4. Test Specimen
1.1 Two important characteristics involved in the manufac- 4.1 The specimen shall be a piece of flooring at least 9 by 9
ture of resilient flooring relate to the smoothness of the wear in. (230 by 230 mm).
surface and the hardness of the layers under the wear surface.
5. Calibration
The surfaces may vary from completely textured areas to
portions that are flat but separated by textured areas. This test 5.1 The calibration of the gage shall be verified by means of
gage blocks or shim stock of known thickness of the appro-
method covers flooring with these interrupted wear surfaces
which are not supported by soft, cushioned layers. priate thickness for the depths being measured.
1.2 This standard does not purport to address all of the
6. Conditioning
safety concerns, if any, associated with its use. It is the
6.1 Condition the specimens at least 24 h at 73.4 6 3.6°F
responsibility of the user of this standard to establish appro-
(23 6 2°C) and 50 6 5 % relative humidity. Test at the same
priate safety and health practices and determine the applica-
conditions.
bility of regulatory limitations prior to use.
7. Procedure
2. Significance
7.1 Select the two types of areas on a specimen that are to
2.1 This test method is designed to measure the vertical
be examined.
distance between any two levels on the face of the flooring, that
7.2 Zero the gage at a random point on the higher area.
is, between any two flat areas, between a flat area and any part
7.3 Move the gage to a random spot in the second area and
of a textured area, or between two textured areas. This vertical
measure the depth.
distance may be of interest in itself or it may be applied to the
7.4 When measuring on a nominally flat wearing surface, do
questions of: (1) how much of the thickness of the flooring is
not place the tip close to a built-up shoulder area around a
available before the pattern is destroyed; or (2) how deep the
depressed spot; such a shoulder reading would give an errone-
depressed areas must be before valley printing ink is not
ous result.
walked on in normal traffic.
7.
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