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Normas ASTM – AENOR
ASTM D7488-11(2016)

ASTM D7488-11(2016)

Standard Test Method for Open Time of Latex Paints

Fecha:
2016-12-27 /Active
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 and health practices and determine the applicability of regulatory limitations prior to use.

Keywords:
coatings; lapping; latex; open time; overlap; paint; waterborne; wet edge;
37,81
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