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ASTM D822/D822M-13(2018)

(Practice)

Standard Practice for Filtered Open-Flame Carbon-Arc Exposures of Paint and Related Coatings

Standard Practice for Filtered Open-Flame Carbon-Arc Exposures of Paint and Related Coatings

SIGNIFICANCE AND USE
4.1 The ability of a paint or coating to resist deterioration of its physical and optical properties caused by exposure to light, heat, and water can be very significant for many applications. This practice is intended to induce property changes associated with end-use conditions, including the effects of sunlight, moisture, and heat. The exposure used in this practice is not intended to simulate the deterioration caused by localized weather phenomena such as atmospheric pollution, biological attack, and saltwater exposure.  
4.2 Cautions—Variation in results may be expected when different operating conditions are used. Therefore, no reference to the use of this practice shall be made unless accompanied by a report prepared according to Section 10 that describes the specific operating conditions used. Refer to Practice G151 for detailed information on the caveats applicable to use of results obtained according to this practice.
Note 1: Additional information on sources of variability and on strategies for addressing variability in the design, execution, and data analysis of laboratory accelerated exposure tests is found in Guide G141.  
4.2.1 The spectral power distribution of light from an open-flame carbon-arc is significantly different from that produced in light and water exposure devices using other carbon-arc configurations or other light sources. The type and rate of degradation and the performance rankings produced by exposures to filtered open-flame carbon-arcs can be much different from those produced by exposures to other types of laboratory light sources.  
4.2.2 Interlaboratory comparisons are valid only when all laboratories use the same type of carbon-arc, filters, and exposure conditions.  
4.3 Reproducibility of test results between laboratories has been shown to be good when the stability of materials is evaluated in terms of performance ranking compared to other materials or to a control.4,5 Therefore, exposure of a similar material of known...
SCOPE
1.1 This practice covers the selection of test conditions for accelerated exposure testing of coatings and related products in filtered open-flame carbon-arc devices conducted according to Practices G151 and G152. This practice also covers the preparation of test specimens, the test conditions suited for coatings, and the evaluation of test results. Table 1 describes commonly used test conditions.  
1.2 This practice does not cover enclosed carbon-arc exposures of paints and related coatings, which is described in Practice D5031/D5031M. Another procedure for exposing these products is covered by Practice D3361/D3361M, in which the specimens are subjected to radiation from an unfiltered open-flame carbon arc that produces shorter wavelengths and higher levels of short wavelength radiation than filtered open-flame or enclosed carbon arcs.  
1.3 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.  
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, health, and environmental practices and determine the applicability of regulatory limitations prior to use.  
1.5 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

General Information

Status
Historical
Publication Date
31-Aug-2018
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

Replaces
ASTM D822/D822M-13 - Standard Practice for Filtered Open-Flame Carbon-Arc Exposures of Paint and Related Coatings
Effective Date
01-Sep-2018
Refers
ASTM D4214-23 - Standard Test Methods for Evaluating the Degree of Chalking of Exterior Paint Films
Effective Date
01-Oct-2023
Refers
ASTM D1005-95(2020) - Standard Test Method for Measurement of Dry-Film Thickness of Organic Coatings Using Micrometers
Effective Date
01-Jun-2020
Refers
ASTM E1347-06(2020) - Standard Test Method for Color and Color-Difference Measurement by Tristimulus Colorimetry
Effective Date
01-May-2020
Refers
ASTM D1730-09(2020) - Standard Practices for Preparation of Aluminum and Aluminum-Alloy Surfaces for Painting
Effective Date
01-May-2020
Refers
ASTM D2616-19 - Standard Test Method for Evaluation of Visual Color Difference With a Gray Scale
Effective Date
01-Nov-2019
Refers
ASTM D662-93(2019) - Standard Test Method for Evaluating Degree of Erosion of Exterior Paints
Effective Date
01-Oct-2019
Refers
ASTM D660-93(2019) - Standard Test Method for Evaluating Degree of Checking of Exterior Paints
Effective Date
01-Oct-2019
Refers
ASTM D610-08(2019) - Standard Practice for Evaluating Degree of Rusting on Painted Steel Surfaces
Effective Date
01-Jan-2019
Refers
ASTM D772-18 - Standard Test Method for Evaluating Degree of Flaking (Scaling) of Exterior Paints
Effective Date
01-Sep-2018
Refers
ASTM D823-17 - Standard Practices for Producing Films of Uniform Thickness of Paint, Varnish, and Related Products on Test Panels
Effective Date
01-Dec-2017
Refers
ASTM G147-17 - Standard Practice for Conditioning and Handling of Nonmetallic Materials for Natural and Artificial Weathering Tests
Effective Date
01-Jun-2017
Refers
ASTM E1347-06(2015) - Standard Test Method for Color and Color-Difference Measurement by Tristimulus Colorimetry
Effective Date
01-Nov-2015
Refers
ASTM D2244-15a - Standard Practice for Calculation of Color Tolerances and Color Differences from Instrumentally Measured Color Coordinates
Effective Date
01-Aug-2015
Refers
ASTM D4214-07(2015) - Standard Test Methods for Evaluating the Degree of Chalking of Exterior Paint Films
Effective Date
01-Jun-2015

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ASTM D822/D822M-13(2018) - Standard Practice for Filtered Open-Flame Carbon-Arc Exposures of Paint and Related CoatingsASTM D822/D822M-13(2018) - Standard Practice for Filtered Open-Flame Carbon-Arc Exposures of Paint and Related Coatings
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ASTM D822/D822M-13(2018) - Standard Practice for Filtered Open-Flame Carbon-Arc Exposures of Paint and Related Coatings
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Standards Content (Sample)

This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
Designation: D822/D822M − 13 (Reapproved 2018)
Standard Practice for
Filtered Open-Flame Carbon-Arc Exposures of Paint and
1
Related Coatings
This standard is issued under the fixed designation D822/D822M; 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.
This standard has been approved for use by agencies of the U.S. Department of Defense.
1. Scope 2. Referenced Documents
2
1.1 This practice covers the selection of test conditions for 2.1 ASTM Standards:
acceleratedexposuretestingofcoatingsandrelatedproductsin D358 Specification for Wood to Be Used as Panels in
3
filtered open-flame carbon-arc devices conducted according to Weathering Tests of Coatings (Withdrawn 2014)
Practices G151 and G152. This practice also covers the D523 Test Method for Specular Gloss
preparation of test specimens, the test conditions suited for D609 Practice for Preparation of Cold-Rolled Steel Panels
coatings, and the evaluation of test results. Table 1 describes for Testing Paint, Varnish, Conversion Coatings, and
commonly used test conditions. Related Coating Products
D610 Practice for Evaluating Degree of Rusting on Painted
1.2 This practice does not cover enclosed carbon-arc expo-
Steel Surfaces
sures of paints and related coatings, which is described in
D659 Method for Evaluating Degree of Chalking of Exterior
Practice D5031/D5031M. Another procedure for exposing
3
Paints (Withdrawn 1990)
these products is covered by Practice D3361/D3361M,in
D660 Test Method for Evaluating Degree of Checking of
which the specimens are subjected to radiation from an
Exterior Paints
unfiltered open-flame carbon arc that produces shorter wave-
D662 Test Method for Evaluating Degree of Erosion of
lengths and higher levels of short wavelength radiation than
Exterior Paints
filtered open-flame or enclosed carbon arcs.
D714 Test Method for Evaluating Degree of Blistering of
1.3 The values stated in either SI units or inch-pound units
Paints
are to be regarded separately as standard. The values stated in
D772 Test Method for Evaluating Degree of Flaking (Scal-
each system may not be exact equivalents; therefore, each
ing) of Exterior Paints
system shall be used independently of the other. Combining
D823 Practices for Producing Films of Uniform Thickness
values from the two systems may result in non-conformance
of Paint, Coatings and Related Products on Test Panels
with the standard.
D1005 Test Method for Measurement of Dry-Film Thick-
1.4 This standard does not purport to address all of the ness of Organic Coatings Using Micrometers
safety concerns, if any, associated with its use. It is the D1186 Test Methods for Nondestructive Measurement of
responsibility of the user of this standard to establish appro- Dry Film Thickness of Nonmagnetic Coatings Applied to
3
priate safety, health, and environmental practices and deter- a Ferrous Base (Withdrawn 2006)
mine the applicability of regulatory limitations prior to use.
D1400 TestMethodforNondestructiveMeasurementofDry
1.5 This international standard was developed in accor- Film Thickness of Nonconductive Coatings Applied to a
3
dance with internationally recognized principles on standard- Nonferrous Metal Base (Withdrawn 2006)
ization established in the Decision on Principles for the D1729 Practice for Visual Appraisal of Colors and Color
Development of International Standards, Guides and Recom-
Differences of Diffusely-Illuminated Opaque Materials
mendations issued by the World Trade Organization Technical D1730 Practices for Preparation of Aluminum and
Barriers to Trade (TBT) Committee.
Aluminum-Alloy Surfaces for Painting
1 2
This practice is under the jurisdiction of ASTM Committee D01 on Paint and For referenced ASTM standards, visit the ASTM website, www.astm.org, or
Related Coatings, Materials, and Applications and is the direct responsibility of contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
Subcommittee D01.27 on Accelerated Testing. Standards volume information, refer to the standard’s Document Summary page on
Current edition approved Sept. 1, 2018. Published September 2018. Originally the ASTM website.
3
approved in 1945. Last previous edition approved in 2013 as D822/D822M – 13. The last approved version of this historical standard is referenced on
DOI: 10.1520/D0822_D0822M-13R18. www.astm.org.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
1
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