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Standard Guide for Application and Evaluation of Brush and Roller Applied Paint Films
NORMA vydaná dňa 1.9.2020
Označenie normy: ASTM D7073-20
Dátum vydania normy: 1.9.2020
Kód tovaru: NS-1013163
Počet strán: 4
Približná hmotnosť: 12 g (0.03 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
application, paint brush films, paint roller films,, ICS Number Code 87.020 (Paint coating processes)
|Significance and Use|
4.1?Laboratory measurement of application properties of architectural coatings generally employ a blade-type applicators that lay down films of highly uniform thickness. Applicators, such as brushes and rollers, typically apply films that lack uniformity due to variations in rheology, film build, flow and leveling properties resulting in the practical hiding of most paints being less than that measured on films applied with a blade-type applicator. This guide provides an indication of the actual application properties of the paint, as applied by a contractor or consumer.
1.1?This guide describes procedures for the application of brush or roller, or both, applied paint films to sealed wallboard for evaluating application properties.
1.2?Because both the application and panel evaluation are subjective, this guide should be used only for comparative testing within one laboratory using one operator for each set of applications, as the ratings assigned by different laboratories may not agree.
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.
|2. Referenced Documents|
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