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Last Updated: Feb 23, 2024
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ASTM D7488-11(2024)
Standard Test Method for Open Time of Latex Paints
Standard Test Method for Open Time of Latex Paints
D7488-11R24
ASTM|D7488-11R24|en-US
Standard Test Method for Open Time of Latex Paints
Standard
D7488 Standard Test Method for Open Time of Latex Paints>
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Significance and Use
5.1 Latex paints dry very quickly which often causes difficulty in final appearance of painted areas, especially paints formulated below 100g/L VOC where lower amounts of solvents are in the formulated latex paint. This method is a means of determining the time available before a test paint cannot be worked into a previously painted area.
Scope
1.1 This test method covers a procedure to determine the length of time a latex paint remains “wet” or “open” enough to allow for brush-in and repair.
1.2 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.
1.3 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.