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ASTM D4587-91

(Practice)

Standard Practice for Fluorescent UV-Condensation Exposures of Paint and Related Coatings

Standard Practice for Fluorescent UV-Condensation Exposures of Paint and Related Coatings

SCOPE
1.1 This practice covers the selection of test conditions for accelerated exposure testing of coatings and related products in fluorescent UV and condensation devices conducted according to Practices G 151 and G 154. This practice also covers the preparation of test specimens, and the evaluation of test results. describes commonly used test conditions.Note 1--Previous versions of this practice referenced fluorescent UV devices described by Practice G 53, which described very specific equipment designs. Practice G 53 has been withdrawn and replaced by Practice G 151, which describes performance criteria for all exposure devices that use laboratory light sources, and by Practice G 154, which gives requirements for exposing nonmetallic materials in fluorescent UV devices.Note 2--ISO 11507:1997 also describes fluorescent UV-condensation exposures of paints and coatings.
1.2 This standard does not purport to address all of the safety problems 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-Jul-2001
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 D4587-01 - Standard Practice for Fluorescent UV-Condensation Exposures of Paint and Related Coatings
Effective Date
10-Jul-2001

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ASTM D4587-91 - Standard Practice for Fluorescent UV-Condensation Exposures of Paint and Related CoatingsASTM D4587-91 - Standard Practice for Fluorescent UV-Condensation Exposures of Paint and Related Coatings
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ASTM D4587-91 - Standard Practice for Fluorescent UV-Condensation Exposures of Paint and Related Coatings
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Standards Content (Sample)

Designation: D 4587 – 91
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 Practice for
Conducting Tests on Paint and Related Coatings and
Materials Using a Fluorescent UV-Condensation Light- and
1
Water-Exposure Apparatus
This standard is issued under the fixed designation D 4587; 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.
3
1. Scope ness of Organic Coatings Using Micrometers
D 1186 Test Methods for Nondestructive Measurement of
1.1 This practice covers the selection of test conditions from
Dry Film Thickness of Nonmagnetic Coatings Applied to
Practice G 53 to be employed for exposure testing of paint and
3
a Ferrous Base
related coatings and materials.
D 1400 Test Method for Nondestructive Measurement of
1.2 This standard does not purport to address all of the
Dry Film Thickness of Nonconductive Coatings Applied to
safety problems associated with its use. It is the responsibility
3
a Nonferrous Metal Base
of the user of this standard to establish appropriate safety and
D 1654 Test Method for Evaluation of Painted or Coated
health practices and determine the applicability of regulatory
3
Specimens Subjected to Corrosive Environments
limitations prior to use.
D 1729 Practice for Visual Evaluation of Color Differences
3
2. Referenced Documents
of Opaque Materials
D 1730 Practices for Preparation of Aluminum and
2.1 ASTM Standards:
4
Aluminum-Alloy Surfaces for Painting
D 358 Specification for Wood to Be Used As Panels in
2
D 1731 Practices for Preparation of Hot-Dip Aluminum
Weathering Tests of Coatings
4
3
Surfaces for Painting
D 523 Test Method for Specular Gloss
D 1732 Practices for Preparation of Magnesium Alloy Sur-
D 609 Practice for Preparation of Cold-Rolled Steel Panels
4
faces for Painting
for Testing Paint, Varnish, Conversion Coatings, and
3
D 2092 Practice for Preparation of Zinc-Coated (Galva-
Related Coating Products
2
nized) Steel Surfaces for Painting
D 610 Test Method for Evaluating Degree of Rusting on
2
D 2244 Test Method for Calculation of Color Differences
Painted Steel Surfaces
3
from Instrumentally Measured Color Coordinates
D 659 Method of Evaluating Degree of Chalking of Exte-
3
D 2616 Test Method for Evaluation of Visual Color Differ-
rior Paints
ence With a Gray Scale
D 660 Test Method for Evaluating Degree of Checking of
3
D 4214 Test Methods for Evaluating Degree of Chalking of
Exterior Paints
3
Exterior Paint Films
D 661 Test Method for Evaluating Degree of Cracking of
3
E 97 Test Method for Directional Reflectance Factor, 45-
Exterior Paints
deg 0-deg, of Opaque Specimens by Broad-Band Filter
D 662 Test Method for Evaluating Degree of Erosion of
5
3
Reflectometry
Exterior Paints
G 53 Practice for Operating Light- and Water-Exposure
D 714 Test Method for Evaluating Degree of Blistering of
3
Apparatus (Fluorescent UV-Condensation Type) for Expo-
Paints
6
sure of Nonmetallic Materials
D 772 Test Method for Evaluating Degree of Flaking (Scal-
3
ing) of Exterior Paints
3. Significance and Use
D 823 Test Methods for Producing Films of Uniform Thick-
3.1 Organic coatings on exterior exposure are subjected to
ness of Paint, Varnish, and Related Products on Test
3
attack by degrading elements of the weather, particularly
Panels
ultraviolet light, oxygen, and water. This practice may be used
D 1005 Test Methods for Measurement of Dry Film Thick-
for evaluating the behavior of films exposed in apparatus that
produces ultraviolet radiation, high temperatures, and water
1
This practice is under the jurisdiction of ASTM Committee D-1 on Paint and
condensation on the films. This apparatus is used to make an
Related Coatings, Materials, and Applications and is the direct responsibility of
Subcommittee D01.27 on Accelerated Testing.
Current edition approved Feb. 22, 1991. Published April 1991. Originally
4
published as D 4587 – 86. Last previous edition D 4587 – 86. Annual Book of ASTM Standards, Vol 02.05.
2 5
Annual Book of ASTM Standards, Vol 06.02. Discontinued; see 1992 Annual Book of ASTM Standards, Vol 14.02.
3 6
Annual Book of ASTM Standards, Vol 06.01. Annual Book of ASTM Standards, Vol 14.02.
1

---------------------- Page: 1 ----------------------
D 4587
early materials comparison of the exterior exposure quality of
Baked coatings 24 h
Radiation-cured coatings 24 h
paints. However, light sources, such as the fluorescent UV
All other coatings 7 days minimum
lamp, that emit a significant amount of radiation at wave-
lengths shorter than those in natural sunlight, may cause results 6. Procedure
that lead to unrealistic evaluations of weathering properties.
6.1 Place panels within the 8.25 by 35.35-in. (210 by
3.2 As no si
...

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