Standard Test Method for Electrical Resistance of Conductive and Static Dissipative Resilient Flooring

SIGNIFICANCE AND USE
Conductive and static dissipative floors (static control flooring) serve as a convenient means of electrically connecting persons and objects together to prevent the accumulation of electrostatic charges. A static control floor is specified on the basis of controlled resistance values. The surface of the floor provides a path of moderate electrical conductivity between all persons and equipment making contact with the floor to prevent the accumulation of dangerous electrostatic charges. Static control footwear will need to be used in conjunction with the floor for the floor to perform effectively with personnel.
The resistance of some flooring materials change with age. Floors of such materials should have an initial resistance low enough or high enough to permit increase or decrease in resistance with age without exceeding the limits prescribed in the product specifications.
SCOPE
1.1 This test method covers the determination of electrical conductance or resistance of resilient flooring either in tile or sheet form, for applications such as hospitals, computer rooms, clean rooms, access flooring, munition plants, or any other environment concerning personnel-generated static electricity.
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-Oct-2006
Drafting Committee
Current Stage
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ASTM F150-06 - Standard Test Method for Electrical Resistance of Conductive and Static Dissipative Resilient Flooring
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: F150 − 06
StandardTest Method for
Electrical Resistance of Conductive and Static Dissipative
1
Resilient Flooring
ThisstandardisissuedunderthefixeddesignationF150;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginal
adoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscript
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 persons and equipment making contact with the floor to
prevent the accumulation of dangerous electrostatic charges.
1.1 This test method covers the determination of electrical
Staticcontrolfootwearwillneedtobeusedinconjunctionwith
conductance or resistance of resilient flooring either in tile or
the floor for the floor to perform effectively with personnel.
sheetform,forapplicationssuchashospitals,computerrooms,
clean rooms, access flooring, munition plants, or any other 4.2 The resistance of some flooring materials change with
environment concerning personnel-generated static electricity. age. Floors of such materials should have an initial resistance
low enough or high enough to permit increase or decrease in
1.2 This standard does not purport to address all of the
resistance with age without exceeding the limits prescribed in
safety concerns, if any, associated with its use. It is the
the product specifications.
responsibility of the user of this standard to establish appro-
priate safety and health practices and determine the applica-
5. Apparatus
bility of regulatory limitations prior to use.
5.1 Self-Contained Resistance Meter (such as a megohm
meter) or power supplies and current meters in the appropriate
2. Referenced Documents
configuration for resistance measurement with 610% accu-
2
2.1 ASTM Standards:
racy. For safety, all power supplies used herein should be
D2240TestMethodforRubberProperty—DurometerHard-
current limited, usually below 5.0 mA. This apparatus shall be
ness
capable of open circuit voltages of 100 VDC 6 10 %, and 10
VDC 6 10 %. Test leads should be isolated from ground.
3. Terminology
5.2 Electrodes—Two cylindrical 5 lb 6 1 oz (2.27 kg 6 28
3.1 Definitions:
g) metal electrodes shall have a diameter of 2.5 6 0.062 in.
3.1.1 conductive flooring—a floor material that has a resis-
4 6
(63.5 61.58mm)eachhavingcontactsofelectricallyconduc-
tance to between 2.5 × 10 and 1.0 × 10 Ω.
tive material with a Shore-A (IRHD) durometer hardness of
3.1.2 dissipative floor material—floor material that has a
50–70 (Test Method D2240). The electrically conductive
6 9
resistance between 1.0 × 10 to 1.0 × 10 Ω.
material may be permanently attached to the electrode. The
resistance between the electrodes shall be less than 1 Kohms
4. Significance and Use
when measured at 10 V or less on a metallic surface.
4.1 Conductive and static dissipative floors (static control
6. Test Specimen
flooring) serve as a convenient means of electrically connect-
ingpersonsandobjectstogethertopreventtheaccumulationof
6.1 Qualification Testing—When mounting specimen, use
electrostatic charges. A static control floor is specified on the 1
insulative support material ( ⁄4 in. (6.35 mm) tempered hard-
basis of controlled resistance values. The surface of the floor
board is recommended). Use manufacturer’s recommended
providesapathofmoderateelectricalconductivitybetweenall
procedures, adhesives, and grounding method to install the
sample floor. The specimen shall consist of a portion of floor
covering48by48in.(1.22by1.22m)inarea.Ifaqualification
1
ThistestmethodisunderthejurisdictionofASTMCommitteeF06onResilient
Floor Coverings and is the direct responsibility of Subcommittee F06.20 on Test test is required, one specimen shall be tested unless otherwise
Methods - Products Construction/Materials.
specified. Unless otherwise specified, make five measurements
Current edition approved Nov. 1, 2006. Published December 2006. Originally
on the specimen with electrodes at different locations for each
approved in 1972. Last previous edition approved in 1998 as F150-98. DOI:
measurement and record the value to two significant figures.
10.1520/F0150-06.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
6.2 When the following is to be tested after jobsite
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
installation, the specimen shall be a portion of the floor not
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. exceeding 20 by 20 ft (6 by 6 m) in dimensions.
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F150 − 06
7. Conditioning Allowtodry.Followthemanufact
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