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ASTM D4366-95

(Test Method)

Standard Test Methods for Hardness of Organic Coatings by Pendulum Damping Tests (Withdrawn 2003)

Standard Test Methods for Hardness of Organic Coatings by Pendulum Damping Tests (Withdrawn 2003)

SCOPE
1.1 These test methods cover the use of pendulum damping testers in the determination of hardness of organic coatings that have been applied to acceptably plane rigid surfaces, such as a metal or glass panel.  
1.2 Two test methods based on different pendulum types are covered as follows:  
1.2.1 Test Method A-Konig Pendulum Hardness Test  
1.2.2 Test Method B-Persoz Pendulum Hardness Test
1.3 This standard is similar in content (but not technically equivalent) to ISO 1522.  
1.4 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-1994
Withdrawal Date
11-Feb-2003
ICS
87.040 - Paints and varnishes
Technical Committee
D01 - Paint and Related Coatings, Materials, and Applications
Drafting Committee
D01.23 - Physical Properties of Applied Paint Films
Current Stage
Ref Project

Relations

Replaced By
ASTM D4366-14 - Standard Test Methods for Hardness of Organic Coatings by Pendulum Damping Tests
Effective Date
15-Sep-2014

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ASTM D4366-95 - Standard Test Methods for Hardness of Organic Coatings by Pendulum Damping Tests (Withdrawn 2003)ASTM D4366-95 - Standard Test Methods for Hardness of Organic Coatings by Pendulum Damping Tests (Withdrawn 2003)
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ASTM D4366-95 - Standard Test Methods for Hardness of Organic Coatings by Pendulum Damping Tests (Withdrawn 2003)
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Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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:D4366–95
Standard Test Methods for
1
Hardness of Organic Coatings by Pendulum Damping Tests
This standard is issued under the fixed designation D 4366; 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 (ϵ) indicates an editorial change since the last revision or reapproval.
1. Scope 3.1.1 König hardness—time in seconds for the swing am-
plitude of the König pendulum to decrease from 6 to 3°.
1.1 These test methods cover the use of pendulum damping
3.1.2 Persoz hardness—time in seconds for the swing
testersinthedeterminationofhardnessoforganiccoatingsthat
amplitude of the Persoz pendulum to decrease from 12 to 4°.
have been applied to acceptably plane rigid surfaces, such as a
metal or glass panel.
4. Summary of Test Methods
1.2 Two test methods based on different pendulum types are
4.1 A pendulum resting on a coating surface is set into
covered as follows:
oscillation (rocking) and the time for the oscillation amplitude
1.2.1 Test Method A—König Pendulum Hardness Test
to decrease by a specified amount measured. The shorter the
1.2.2 Test Method B—Persoz Pendulum Hardness Test
damping time, the lower the hardness.
1.3 This standard is similar in content (but not technically
2
equivalent) to ISO 1522.
5. Significance and Use
1.4 This standard does not purport to address all of the
5.1 The pendulum damping test has been found to have
safety concerns, if any, associated with its use. It is the
good sensitivity in detecting differences in coating hardness,
responsibility of the user of this standard to establish appro-
where hardness is defined as resistance to deformation.
priate safety and health practices and determine the applica-
5.2 The two procedures given in these test methods embody
bility of regulatory limitations prior to use.
the principle that the amplitude of oscillation of a pendulum
touching a surface decreases more rapidly the softer the
2. Referenced Documents
surface. However, these test methods differ in respect to
2.1 ASTM Standards:
pendulum dimensions, and period and amplitude of oscillation.
D 823 TestMethodsforProducingFilmsofUniformThick-
5.3 In general, the damping time of the König pendulum is
ness of Paint, Varnish, and Related Products on Test
3 approximately half that of the Persoz pendulum.
Panels
5.4 The Persoz pendulum has a greater degree of discrimi-
D 1005 Test Methods for Measurement of Dry-Film Thick-
3 nation than the König for measuring the hardness of soft
ness of Organic Coatings Using Micrometers
coatings, but it may not be as suitable for testing hard, slippery
D 1186 Test Methods for Nondestructive Measurement of
films because of its tendency to skid on surfaces with a low
Dry Film Thickness of Nonmagnetic Coatings Applied to
3 coefficient of friction.
a Ferrous Base
5.5 Theinteractionbetweenthependulumandthepaintfilm
D 1400 Test Method for Nondestructive Measurement of
is complex, depending on both elastic and viscoelastic proper-
DryFilmThicknessofNonconductiveCoatingsAppliedto
3 ties, and it may not be possible to establish a precise relation-
a Nonferrous Metal Base
ship between the two types of pendulum tests.
2.2 Other Standard:
2
ISO 1522 Paints and Varnishes Pendulum Damping Test
TEST METHOD A—KÖNIG PENDULUM HARDNESS
TEST
3. Terminology
3.1 Definitions of Terms Specific to This Standard:
6. Apparatus
4
6.1 König Pendulum Tester, consisting of a stand that
1
supports a pendulum, a test panel, and a pendulum displace-
ThesetestmethodsareunderthejurisdictionofASTMCommitteeD-1onPaint
and Related Coatings, Materials, and Applications and are the direct responsibility
ment scale. The stand has a stirrup to support the pendulum
of Subcommittee D01.23 on Physical Properties of Applied Paint Films.
Current edition approved Aug. 15, 1995. Published October 1995. Originally
4
published as D 4366 – 84. Last previous edition D 4366 – 94. Pendulum hardness testers meeting the apparatus requirements of this test
2
Available from American National Standards Institute, 11 W 42nd St., 13th method may be obtained from BYK-Gardner, U.S.A., 2435 Linden Lane, Silver
Floor, New York, NY 10036. Spring, MD 20910, and Paul N. Gardner Co., Inc., 316 N.E. First Street, P.O. Box
3
Annual Book of ASTM Standards, Vol 06.01. 10688, Pompano Beach, FL 33061-6688.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
D4366–95
abovethetableandamechanismforshock-freeloweringofthe indicate zero on the scale. If the pointer does not indicate zero,
pendulum onto the test panel. A typical apparatus is shown in move the scale to obtain the
...

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