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ASTM D2247-99

(Practice)

Standard Practice for Testing Water Resistance of Coatings in 100% Relative Humidity

Standard Practice for Testing Water Resistance of Coatings in 100% Relative Humidity

SCOPE
1.1 This practice covers the basic principles and operating procedures for testing water resistance of coatings by exposing coated specimens in an atmosphere maintained at 100% relative humidity so that condensation forms on the test specimens.  
1.2 This practice is limited to the methods of obtaining, measuring, and controlling the conditions and procedures of tests conducted in 100% relative humidity. It does not specify specimen preparation, specific test conditions, or evaluation of results.  Note 1-Alternative practices for testing the water resistance of coatings include Practices D870, D1735, and D4585.
1.3 The values stated in inch-pound units are to be regarded as the standard. The values given in parentheses are for information only.
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
09-Dec-1999
ICS
87.040 - Paints and varnishes
Technical Committee
D01 - Paint and Related Coatings, Materials, and Applications
Drafting Committee
D01.27 - Accelerated Testing
Current Stage
Ref Project

Relations

Replaced By
ASTM D2247-02 - Standard Practice for Testing Water Resistance of Coatings in 100% Relative Humidity
Effective Date
10-Aug-2002
Referred By
ASTM E2570/E2570M-07(2019) - Standard Test Methods for Evaluating Water-Resistive Barrier (WRB) Coatings Used under Exterior Insulation and Finish Systems (EIFS) or EIFS with Drainage
Effective Date
10-Dec-1999
Referred By
ASTM D3730-17(2022) - Standard Guide for Testing High-Performance Interior Architectural Wall Coatings
Effective Date
10-Dec-1999
Referred By
ASTM D6577-15(2019) - Standard Guide for Testing Industrial Protective Coatings
Effective Date
10-Dec-1999
Referred By
ASTM D3794-22 - Standard Guide for Testing Coil Coatings
Effective Date
10-Dec-1999
Referred By
ASTM D3451-06(2017) - Standard Guide for Testing Coating Powders and Powder Coatings
Effective Date
10-Dec-1999
Referred By
ASTM E2568-17a - Standard Specification for PB Exterior Insulation and Finish Systems
Effective Date
10-Dec-1999
Referred By
ASTM D1735-21 - Standard Practice for Testing Water Resistance of Coatings Using Water Fog Apparatus
Effective Date
10-Dec-1999
Referred By
ASTM F1428-23 - Standard Specification for Aluminum Particle-Filled Basecoat/Organic or Inorganic Topcoat, Corrosion Protective Coatings for Fasteners
Effective Date
10-Dec-1999
Referred By
ASTM D7893-13(2018) - Standard Guide for Corrosion Test Panel Preparation, Testing, and Rating of Coil-Coated Building Products
Effective Date
10-Dec-1999
Referred By
ASTM D2649-20a - Standard Test Method for Corrosion Characteristics of Solid Film Lubricants
Effective Date
10-Dec-1999
Referred By
ASTM F1075-97(2018) - Standard Specification for Dehumidifier, Shipboard, Mechanically Refrigerated, Self-Contained
Effective Date
10-Dec-1999
Referred By
ASTM D4585/D4585M-18 - Standard Practice for Testing Water Resistance of Coatings Using Controlled Condensation
Effective Date
10-Dec-1999
Referred By
ASTM D1654-08(2016)e1 - Standard Test Method for Evaluation of Painted or Coated Specimens Subjected to Corrosive Environments
Effective Date
10-Dec-1999
Referred By
ASTM D870-15(2020) - Standard Practice for Testing Water Resistance of Coatings Using Water Immersion
Effective Date
10-Dec-1999

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ASTM D2247-99 - Standard Practice for Testing Water Resistance of Coatings in 100% Relative HumidityASTM D2247-99 - Standard Practice for Testing Water Resistance of Coatings in 100% Relative Humidity
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ASTM D2247-99 - Standard Practice for Testing Water Resistance of Coatings in 100% Relative Humidity
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Standards Content (Sample)

Designation:D2247–99
Standard Practice for
Testing Water Resistance of Coatings in 100% Relative
1
Humidity
This standard is issued under the fixed designation D 2247; 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.
This standard has been approved for use by agencies of the Department of Defense.
2
1. Scope Using Water Immersion
4
D 1193 Specification for Reagent Water
1.1 This practice covers the basic principles and operating
D 1654 Test Method for Evaluation of Painted or Coated
procedures for testing water resistance of coatings by exposing
2
Specimens Subjected to Corrosive Environment
coated specimens in an atmosphere maintained at 100 %
D 1730 Practices for Preparation of Aluminum and
relative humidity so that condensation forms on the test
5
Aluminum-Alloy Surfaces for Painting
specimens.
D 1735 Practice for Testing Water Resistance of Coatings
1.2 This practice is limited to the methods of obtaining,
2
Using Water Fog Apparatus
measuring, and controlling the conditions and procedures of
D 2616 Test Method for Evaluation of Visual Color Differ-
tests conducted in 100 % relative humidity. It does not specify
2
ence With a Gray Scale
specimen preparation, specific test conditions, or evaluation of
2
D 3359 Test Method for MeasuringAdhesion by Tape Test
results.
2
D 3363 Test Method for Film Hardness by Pencil Test
NOTE 1—Alternative practices for testing the water resistance of
D 4541 Test Method for Pull-Off Strength of Coatings
coatings include Practices D 870, D 1735, and D 4585.
3
Using Portable Adhesion Testers
1.3 The values stated in inch-pound units are to be regarded
D 4585 Practice for Testing Water Resistance of Coatings
2
as the standard. The values given in parentheses are for
Using Controlled Condensation
information only.
3. Summary of Practice
1.4 This standard does not purport to address all of the
safety concerns, if any, associated with its use. It is the
3.1 Coated specimens are placed in an enclosed chamber
responsibility of the user of this standard to establish appro-
containing a heated, saturated mixture of air and water vapor.
priate safety and health practices and determine the applica-
The temperature of the chamber is usually maintained at 100°F
bility of regulatory limitations prior to use.
(38°C). At 100 % relative humidity (RH), a very small tem-
perature difference between the specimen and the surrounding
2. Referenced Documents
vapor causes the formation of condensation on the specimens.
2.1 ASTM Standards:
The exposure condition is varied by selecting the duration of
D 609 Practice for Preparation of Cold-Rolled Steel Panels
thetest.Waterpermeatesthecoatingatratesthataredependent
for Testing Paint, Varnish, Conversion Coatings, and
upon the characteristics of the coating. Any effects such as
2
Related Coating Products
color change, blistering, loss of adhesion, softening, or em-
D 610 Test Method for Evaluating Degree of Rusting on
brittlement are observed and reported.
3
Painted Steel Surfaces
4. Significance and Use
D 714 Test Method for Evaluating Degree of Blistering of
2
Paints
4.1 Water can cause the degradation of coatings, so knowl-
D 823 Practices for Producing Films of Uniform Thickness
edge of how a coating resists water is helpful in predicting its
2
of Paint, Varnish, and Related Products on Test Panels
service life. Failure in tests at 100 % relative humidity may be
D 870 Practice for Testing Water Resistance of Coatings
caused by a number of factors including a deficiency in the
coating itself, contamination of the substrate, or inadequate
surface preparation. This practice is therefore useful for evalu-
1
This practice is under the jurisdiction of ASTM Committee D-1 on Paint and
ating coatings alone or complete coating systems.
Related Coatings, Materials, and Applications and is the direct responsibility of
Subcommittee D01.27 on Accelerated Testing.
Current edition approved Dec. 10, 1999. Published February 2000. Originally
published as D 2247 – 66 T. Last previous edition D 2247 – 97.
2 4
Annual Book of ASTM Standards, Vol 06.01. Annual Book of ASTM Standards, Vol 11.01.
3 5
Annual Book of ASTM Standards, Vol 06.02. Annual Book of ASTM Standards, Vol 02.05.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
D2247
NOTE 3—Due to heat loss to the specimens and the walls of the
4.2 Tests at 100 % relative humidity are used for specifica-
chamber, the temperature of the water in the tank will be above the
tion acceptance, quality control, and research and development
temperature of the air and water vapor mixture.
of coatings and substrate treatments. These tests usually result
7.3 Su
...

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