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ASTM D2337-01(2005)

(Test Method)

Standard Test Method for Freeze-Thaw Stability of Multicolor Lacquers

Standard Test Method for Freeze-Thaw Stability of Multicolor Lacquers

SIGNIFICANCE AND USE
Waterborne coatings, when subjected to cycles of freezing and thawing, can undergo detrimental changes in application and performance characteristics. This test method evaluates the ability of multicolor lacquers to resist these changes.
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 SI 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
14-May-2005
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

Replaces
ASTM D2337-01 - Standard Test Method for Freeze-Thaw Stability of Multicolor Lacquers
Effective Date
15-May-2005
Replaced By
ASTM D2337-01(2010) - Standard Test Method for Freeze-Thaw Stability of Multicolor Lacquers
Effective Date
01-Feb-2010

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ASTM D2337-01(2005) - Standard Test Method for Freeze-Thaw Stability of Multicolor LacquersASTM D2337-01(2005) - Standard Test Method for Freeze-Thaw Stability of Multicolor Lacquers
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ASTM D2337-01(2005) - Standard Test Method for Freeze-Thaw Stability of Multicolor Lacquers
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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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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:D2337–01(Reapproved2005)
Standard Test Method for
1
Freeze-Thaw Stability of Multicolor Lacquers
This standard is issued under the fixed designation D2337; 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 (´) indicates an editorial change since the last revision or reapproval.
1. Scope tion and performance characteristics. This test method evalu-
ates the ability of multicolor lacquers to resist these changes.
1.1 This test method covers the determination of the extent
to which multicolor lacquers resist coagulation and coales-
5. Apparatus and Materials
cence when subjected to freezing and subsequent thawing.
5.1 Cabinet, Room, or Enclosed Space, large enough to
1.2 The values stated in SI units are to be regarded as the
containthespecimenstobetestedandallowingatleast25mm
standard. The values given in parentheses are for information
(1in.)ofairspacebetweenthesidesofadjacentcans.Itshould
only.
be capable of being maintained at a temperature between −23
1.3 This standard does not purport to address all of the
and −26°C (−10 and −15°F).
safety concerns, if any, associated with its use. It is the
5.2 Stormer Viscometer, with paddle-type rotor.
responsibility of the user of this standard to establish appro-
5.3 SprayGun,pressure-feedinternal-mixtype,tip0.086in.
priate safety and health practices and determine the applica-
(2 mm) in diameter with wide-spray nozzle.
bility of regulatory limitations prior to use.
5.4 WhitePaperStock,minimumsize200by280mm(8by
2. Referenced Documents 11 in. ).
2
2.1 ASTM Standards:
6. Preparation of Samples
D562 Test Method for Consistency of Paints Measuring
6.1 For all gloss and semigloss multicolor lacquers, prepare
Krebs Unit (KU)Viscosity Using a Stormer-TypeViscom-
ten 1-L (1-qt) specimens and for flat multicolor lacquers four
eter
1-qt specimens for testing. Mix the sample from which the
3. Summary of Test Method specimens are filled well by boxing so that it is of a uniform
consistency and appearance. After recording the consistency
3.1 Specimens of multicolor lacquers are placed in a cham-
reading as determined with a Stormer viscometer (in accor-
ber maintained at a temperature between −23 and −26°C (−10
dance with Test Method D562 fill all samples in baked
and −15°F) and allowed to remain 24 h. The specimens are
varnish-lined containers and apply the lids promptly to prevent
removed from the chamber and allowed to remain at room
evaporation loss).
temperature for 24 h to reach thermal equilibrium. After the
specimens are mixed and the viscosity adjusted, they are then
7. Preparation of Control Standard
sprayed and allowed to dry before comparing with the control
7.1 Prepare a control standard by spraying from one of the
standard sprayed from the original specimen.
1-L(1-qt)specimensofeachproducttobetested.Useacoated
4. Significance and Use white paper stock and spray on a sheet at least 200 by 280 mm
(8 by 11 in.) in size. Adjust the fluid and atomizing pressures
4.1 Waterborne coatings, when subjected to cycles of freez-
2 2
to give a spreading rate of 3.7 to 4.9 m /L (150 to 200 ft /gal)
ing and thawing, can undergo detrimental changes in applica-
2 2
forcompletecoveringand4.9to7.35m /L(200to300ft /gal)
for scatter coat application.
1
This test method is under the jurisdiction of ASTM Committee D01 on Paint
and Related Coatings, Materials, andApplications and is the direct responsibility of 8. Exposure of Samples to Test Conditions
Subcommittee D01.24 on Physical Properties of Liquid Paints and Paint Materials.
8.1 Place nine specimens of all gloss and semigloss multi-
Current edition approved May 15, 2005. Published June 2005. Originally
color lacquers and three specimens of all flat multicolor
approved in 1965. Last previous edition approved in 2001 as D2337–01. DOI:
10.1520/D2337-01R05.
lacquers under test in the chamber that is maintained between
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
−23and−26°C(−10and−15°F).Placethespecimensonracks
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
in such a manner that they do not touch the walls or bottom of
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. the chamber and so that there is at least 25 mm (1 in. ) of air
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
D2337–01 (2005)
space between adjacent specimens. On each cycle allow all with the control standard. To be considered satisfactory for
specimens to remain in the chamber for 24 h before remov
...

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