ASTM C499-78(2003)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
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Designation:C499–78 (Reapproved 2003)
Standard Test Method for
Facial Dimensions and Thickness of Flat, Rectangular
Ceramic Wall and Floor Tile
This standard is issued under the fixed designation C 499; 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.
1. Scope to the minor facial dimension and the nominal thickness of a
tile always refers to the major thickness.
1.1 This test method covers the determination of the facial
dimensions and thickness of flat, rectangular ceramic wall and
5. Apparatus
floor tile. This test method covers tile as defined in Terminol-
5.1 A suitable measuring device such as a micrometer or
ogy C 242.
dial indicator, reading in 0.001-in. (0.025-mm) divisions and
1.2 This standard does not purport to address all of the
accurate to 60.001 in. (60.025 mm), shall be used. If a dial
safety concerns, if any, associated with its use. It is the
indicator is used, suitable jigs for holding the tile and the
responsibility of the user of this standard to establish appro-
indicator shall be provided.
priate safety and health practices and determine the applica-
bility of regulatory limitations prior to use.
6. Test Specimens
6.1 Select tile specimens at random from the lot to be tested.
2. Referenced Documents
2 2
For tile smaller than 6 in. (38.7 cm ) in facial area, use at least
2.1 ASTM Standards:
ten specimens for each test; for tile 6 in. or larger in facial
C 242 Terminology of Ceramic Whitewares and Related
area, use at least five specimens for each test. The same
Products
specimens may be used for the determination of facial dimen-
3. Terminology sions and thickness. Brush the specimens to remove all
adhering particles of clay or sand.
3.1 Definitions of Terms Specific to This Standard:
3.1.1 major facial dimension—the overall length or width
7. Procedure
of the tile, including the lugs on opposite sides.
7.1 Major Facial Dimension—Measurethelengthofthetile
3.1.2 major thickness—the thickness of tile, including any
tothenearest0.001in.(0.025mm)acrosstwopairsofopposite
maximum protuberances or ridges on the back.
lugs. Follow the same procedure for measuring the width of the
3.1.3 minor facial dimension—thelengthorwidthofthetile
tile. For tile whose lugs are not arranged opposite each other,
exclusive of the lugs.
it may be necessary to use a jig to obtain the major facial
3.1.4 minor thickness—the thickness of tile that does not
dimensions. For square tile, average all four measurements and
include maximum protuberances or ridges.
call the result the average major dimension. For oblong tile,
4. Significance and Use average the two length measurements and call the result the
average major length of the tile; average the two width
4.1 This test method provides a means of determining
measurements and call the result the average major width of
whether a lot of tile meets specifications of variations in size
the tile.
and thickness. In specifications, the nominal size always refers
7.2 Minor Facial Dimension—Measurethelengthofthetile
exclusive of the lugs to the nearest 0.001 in. (0.025 mm) in two
places. Follow the same procedure for measuring the width
This test method is under the jurisdiction ofASTM Committee C21 on Ceramic
Whitewares and Related Products and is the direct responsibility of Subcommittee
exclusive of the lugs. Points of measurement shall be at least
C21.06 on Ceramic Tile.
0.25 in. (6.4 mm) and not more than 0.50 in. (12.7 mm) from
Current edition approved Oct. 1, 2003. Published October 2003. Originall
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