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ASTM D2337-84(1996)e1

(Test Method)

Standard Test Method for Freeze-Thaw Stability of Multicolor Lacquers

Standard Test Method for Freeze-Thaw Stability of Multicolor Lacquers

SCOPE
1.1 This test method covers the determination of the extent to which multicolor lacquers resist coagulation and coalescence when subjected to freezing and subsequent thawing.  
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
09-May-2001
ICS
87.040 - Paints and varnishes
Technical Committee
D01 - Paint and Related Coatings, Materials, and Applications
Drafting Committee
D01.24 - Physical Properties of Liquid Paints & Paint Materials
Current Stage
Ref Project

Relations

Replaced By
ASTM D2337-01 - Standard Test Method for Freeze-Thaw Stability of Multicolor Lacquers
Effective Date
10-May-2001

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ASTM D2337-84(1996)e1 - Standard Test Method for Freeze-Thaw Stability of Multicolor LacquersASTM D2337-84(1996)e1 - Standard Test Method for Freeze-Thaw Stability of Multicolor Lacquers
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ASTM D2337-84(1996)e1 - Standard Test Method for Freeze-Thaw Stability of Multicolor Lacquers
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NOTICE: This standard has either been superseded and replaced by a new version or discontinued.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.
e1
Designation: D 2337 – 84 (Reapproved 1996)
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
Freeze-Thaw Stability of Multicolor Lacquers
This standard is issued under the fixed designation D 2337; 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 and the unit of measurement statement were added editorially in May 1996.
1. Scope (25 mm) of air space between the sides of adjacent cans. It
should be capable of being maintained at a temperature
1.1 This test method covers the determination of the extent
between − 10 and − 15°F (−23 and − 26°C).
to which multicolor lacquers resist coagulation and coales-
5.2 Stormer Viscometer, with paddle-type rotor.
cence when subjected to freezing and subsequent thawing.
5.3 Spray Gun, pressure-feed internal-mix type, tip 0.086 in.
1.2 The values stated in inch-pound units are to be regarded
(2 mm) in diameter with wide-spray nozzle.
as the standard. The values given in parentheses are for
5.4 White Paper Stock, minimum size 8 by 11 in. (200 by
information only.
280 mm).
1.3 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the
6. Preparation of Samples
responsibility of the user of this standard to establish appro-
6.1 For all gloss and semigloss multicolor lacquers, prepare
priate safety and health practices and determine the applica-
ten 1-qt (1-L) specimens and for flat multicolor lacquers four
bility of regulatory limitations prior to use.
1-qt specimens for testing. Mix the sample from which the
2. Referenced Documents specimens are filled well by boxing so that it is of a uniform
consistency and appearance. After recording the consistency
2.1 ASTM Standards:
reading as determined with a Stormer viscometer (in accor-
D 562 Test Method for Consistency of Paints Using the
2 dance with Test Method D 562 fill all samples in baked
Stormer Viscometer
varnish-lined containers and apply the lids promptly to prevent
3. Summary of Test Method evaporation loss).
3.1 Specimens of multicolor lacquers are placed in a cham-
7. Preparation of Control Standard
ber maintained at a temperature between − 10 and − 15°F (−23
7.1 Prepare a control standard by spraying from one of the
and − 26°C) and allowed to remain 24 h. The specimens are
1-qt (1-L) specimens of each product to be tested. Use a coated
removed from the chamber and allowed to remain at room
white paper stock and spray on a sheet at least 8 by 11 in. (200
temperature for 24 h to reach thermal equilibrium. After the
by 280 mm) in size. Adjust the fluid and atomizing pressures to
specimens are mixed and the viscosity adjusted, they are then
2 2
give a spreading rate of 150 to 200 ft /gal (3.7 to 4.9 m /L) for
sprayed and allowed to dry before comparing with the control
2 2
complete covering and 200 to 300 ft /gal (4.9 to 7.35 m /L) for
standard sprayed from the original specimen.
scatter coat application.
4. Significance and Use
8. Exposure of Samples to Test Conditions
4.1 Waterborne coatings, when subjected to cycles of freez-
8.1 Place nine specimens of all gloss and semigloss multi-
ing and thawing, can undergo detrimental changes in applica-
color lacquers and three specimens of all flat multicolor
tion and performance characteristics. This test method evalu-
lacquers under test in the cha
...

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