ASTM D4103-90(1995)e1

e1
Designation: D 4103 – 90 (Reapproved 1995)
Standard Practice for
Preparation of Substrate Surfaces for Coefficient of Friction
Testing
This standard is issued under the fixed designation D 4103; 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.
e NOTE—Keywords were added in December 1995.
1. Scope coats and a minimum of an overnight dry (15 to 16 h) after the
second coat.
1.1 This practice covers procedures for the preparation of
4.1.3 The next day, strip off all the polish from the tiles
OVCT (Official Vinyl Composition Tile) and wood panels for
following the procedure used in 4.1.1.
subsequent use in tests to measure the coefficient of friction.
4.1.4 Repeat the coating (4.1.2) and stripping (4.1.1) opera-
1.2 This standard does not purport to address all of the
tions four more times. A total of ten coats of polish will then
safety concerns, if any, associated with its use. It is the
have been applied and removed.
responsibility of the user of this standard to establish appro-
priate safety and health practices and determine the applica-
NOTE 1—These tiles may be used and reused for testing many times
bility of regulatory limitations prior to use. after having been prepared once in accordance with 4.1.1-4.1.4. Tiles
should be discarded when they show excessive wear or when erratic
2. Referenced Documents
results are obtained when used with testing devices. At least 25 tests can
be run before this will be noticed.
2.1 ASTM Standards:
D 1436 Test Method for Application of Emulsion Floor 4.1.5 When scrubbing the tiles it is often found that they
Polishes to Substrates for Testing Purposes become distorted and are no longer flat. Any of the devices
used for measuring coefficient of friction will give poor
3. Significance and Use
reproducibility if the tiles are not flat. Therefore, it is recom-
3.1 The reliability of any of the practices using panels mended that the tiles be flattened prior to coating for a test. The
prepared by these procedures may be dependent upon the
following procedure is suggested:
manner and care in which the test panels are prepared. Having 4.1.5.1 Strip the tiles of any previous polish using the
these practices in a single procedure eliminates the necessity
procedure given in 4.1.1. (If the procedures 4.1.1-4.1.4 have
for covering these details in all of the practices wherein the been followed exactly, this should not be necessary.) Rinse
panels are used.
well with clear water, towel dry, and air dry for 15 to 30 min
in a rack that allows air to reach both sides of the tile.
4. Test Panels (OVCT)
4.1.5.2 Pile the tiles face to face and back to back on a piece
4.1 Preparation of OVCT for Testing Emulsion Floor
of glass slightly larger than the tiles.
Polishes—For interlaboratory and specification testing, tiles of
4.1.5.3 Place the tiles on the glass in an oven at 105 to 115°F
OVCT shall be used. The tiles are prepared for use as follows:
(40.6 to 46.1°C) for 2 to 2 ⁄2 h.
4.1.1 Thoroughly scrub all tiles using No. 00 steel wool and
4.1.5.4 Remove the entire pile from the oven and let cool,
any suitable aqueous type wax remover or stripper. Scrub hard
still on the glass, at least overnight (15 to 16 h) at room
to help smooth out high and low spots on the tile. Rinse well
temperature (approximately 73°F (22.8°C)).
with clear water, towel dry, and air dry for 15 to 30 min in a
4.1.5.5 The tiles are now ready for coating with the test
rack that allows air to reach both sides of the tile.
polishes.
4.1.2 Apply two coats of any suitable floor polish using any
5. Application of Test Polish
method as prescribed in Section 5. Allow to dry 2 h between
5.1 Apply one coat of the emulsion polish to be tested, using
any of the five methods described in Method D 1436. After
This practice is under the jurisdiction of ASTM Committee D-21 on Polishes
coating, place the tile in a vertical position. If, at the end of 10
and is the direct responsibility of Subcommittee D21.06 on Slip Resistance.
Current edition approved June 29, 1990. Published August 19
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