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ASTM D823-18

Current Revision

Standard Practices for Producing Films of Uniform Thickness of Paint, Coatings and Related Products on Test Panels

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1.1 Five practices are given for preparing films of uniform thickness of coatings on test panels. These practices are:
Practice A—Automated Spray Machine Application
Practice B—Motor-Driven Dip Coater Application
Practice C—Motor-Driven Blade Film Application
Practice D—Hand-Held Spray Gun Application
Practice E—Hand-Held Blade Film Application

1.2 The use of wire-wound drawdown bars as described in Practice D4147 may also be an appropriate method for producing films of uniform coating thickness.

1.3 The values stated in SI 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, 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.


4.1 This practice should be used for those coatings that are designed for spray applications of objects in the factory or in the field. It is particularly important that it be used in the evaluation of metallic coatings for appearance properties, such as gloss and color.

4.2 Coatings applied by this test method may exhibit a slight orange-peel or spray wave.

SDO ASTM: ASTM International
Document Number D823
Publication Date March 1, 2018
Language en - English
Page Count 8
Revision Level 18
Supercedes
Committee D01.23
Publish Date Document Id Type View
March 1, 2018 D0823-18 Revision
Dec. 1, 2017 D0823-17 Revision
Nov. 1, 2012 D0823-95R12E01 Revision
Jan. 1, 2001 D0823-95 Revision
June 1, 2022 D0823-18R22 Reaffirmation
Nov. 1, 2012 D0823-95R12 Reaffirmation
June 1, 2007 D0823-95R07 Reaffirmation
Jan. 1, 2001 D0823-95R01 Reaffirmation