ASTM C483-95

Standard Test Method for Electrical Resistance of Conductive Ceramic Tile

SCOPE
1.1 This test method covers the determination of the electrical resistance of conductive ceramic tile prior to installation.  
1.2 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.  
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.

General Information

• Status: Historical
• Publication Date: 31-Dec-1999
• Technical Committee: C21 - Ceramic Whitewares and Related Products
• Drafting Committee: C21.06 - Ceramic Tile

Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or discontinued.
Contact ASTM International (www.astm.org) for the latest information.
Designation: C 483 – 95
AMERICAN SOCIETY FOR TESTING AND MATERIALS
100 Barr Harbor Dr., West Conshohocken, PA 19428
Reprinted from the Annual Book of ASTM Standards. Copyright ASTM
Standard Test Method for
Electrical Resistance of Conductive Ceramic Tile
This standard is issued under the fixed designation C 483; 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 may cause possible explosions through spark discharges. Such
electrical resistance requirements are specifically called for in
1.1 This test method covers the determination of the elec-
hospital operating rooms and for floors of other rooms where
trical resistance of conductive ceramic tile prior to installation.
flammable agents are stored or handled.
1.2 The values stated in inch-pound units are to be regarded
as the standard. The values given in parentheses are for
6. Apparatus
information only.
6.1 Ohmmeter—A suitably calibrated d-c ohmmeter with a
1.3 This standard does not purport to address all of the
nominal open-circuit output voltage of 500 V and a short-
safety concerns, if any, associated with its use. It is the
circuit current of 2.5 to 10 mA, having wire leads and alligator
responsibility of the user of this standard to establish appro-
clamps.
priate safety and health practices and determine the applica-
6.2 Electrodes—Two electrodes weighing 5.0 lb (2.2 kg)
bility of regulatory limitations prior to use.
each and having a dry, flat circular contact area 2.5 in. (63.5
2. Referenced Documents mm) in diameter. The contact area shall comprise a surface of
aluminum or tin foil 0.0005 to 0.0010 in. (0.013 to 0.025 mm)
2.1 ASTM Standards:
thick, in electrical contact with the electrode and backed by a
C 242 Terminology of Ceramic Whitewares and Related
layer of rubber 0.25 in. (6.4 mm) thick and having a hardness
Products
of 50 6 10 as determined with a Shore Type A durometer as
D 2240 Test Method for Rubber Property—Durometer
described in Test Method D 2240.
Hardness
6.3 Iron Filings, dry clean, reasonably free of oxidation, and
3. Terminology
approximately 50-mesh size (0.297-mm opening).
6.4 Stainless Steel Plate, 16 gage (1.29 mm) or heavier and
3.1 Definitions:
15 by 15 in. (380 by 380 mm) in size.
3.1.1 conductive ceramic tile—tile made from special body
compositions or by methods that result in specific properties of
7. Sampling
electrical conductivity while retaining other normal physical
7.1 Size of Sample—Sufficient individual conductive ce-
properties of ceramic tile.
ramic tile to cover a minimum area of 3 by 3 in. (76 by 76 mm)
3.1.2 tile—for the definition of the term “tile”, refer to
shall constitute a sample. If mounted, all the tile for one sample
Terminology C 242.
shall be taken from the same sheet.
4. Summary of Test Method
7.2 Selection of Sample—One sample shall be taken from
2 2
each 200 ft (approximately 19 m ) of tile, but in no case shall
4.1 This test method consists of measuring the electrical
less than five samples be tested from a lot. In the case of
resistance between an electrode resting upon the tile to be
patterns using a combination of conductive and nonconductive
tested and a bed of iron filings on a stainless steel plate.
tile, only the conductive tile shall be sampled.
5. Significance and Use
7.3 Preparation of Sample—The tile shall be dry and, if
previously mounted, shall be thoroughly cleaned to remove all
5.1 Th
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