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ASTM D5150-24

Current Revision

Standard Test Method for Hiding Power of Architectural Paints Applied by Roller

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1.1 This test method measures the ability of a paint to hide or obscure a surface to which it has been applied by a practical application procedure. This test method covers the use of a paint roller, but the concept is expected to work equally well when the application tool is a paint brush or paint pad.

1.2 The values stated in SI units are to be regarded as standard. The values given in parentheses after SI units are provided for information only and are not considered standard.

1.3 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.

1.4 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.


5.1 Laboratory hiding power measurements of architectural coatings generally employ blade-type applicators that lay down films of highly uniform thickness. But practical applicators, such as rollers, pads, and brushes, typically apply films that lack uniformity due to incomplete leveling, resulting in the practical hiding power of most paints being less than that measured on films applied with a drawdown blade. This test method simulates practical application procedures and conditions so as to provide an indication of the actual hiding performance obtainable when a paint is applied by an experienced worker. It is not intended to duplicate painting as done by the average consumer.

5.2 Since the rheological characteristics of a paint and its interaction with the applicator are influencing factors, rank order correlation between this test and one done by drawdown might not be obtained.

SDO ASTM: ASTM International
Document Number D5150
Publication Date Nov. 1, 2024
Language en - English
Page Count 4
Revision Level 24
Supercedes
Committee D01.42
Publish Date Document Id Type View
Nov. 1, 2024 D5150-24 Revision
June 1, 2017 D5150-92R17 Reaffirmation
July 1, 2013 D5150-92R13 Reaffirmation
Dec. 1, 2009 D5150-92R09 Reaffirmation
Jan. 10, 2003 D5150-92R03 Reaffirmation
Sept. 10, 1997 D5150-92R97E01 Reaffirmation