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ASTM D823-18(2022)
Standard Practices for Producing Films of Uniform Thickness of Paint, Coatings and Related Products on Test Panels
1.1Five 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
1.2The use of wire-wound drawdown bars as described in Practice D4147 may also be an appropriate method for producing films of uniform coating thickness.
1.3The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.
1.4This 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.
1.5This 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.
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