ASTM-D7488 › Standard Test Method for Open Time of Latex Paints
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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.
Significance and Use
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.
Keywords
coatings; lapping; latex; open time; overlap; paint; waterborne; wet edge; ICS Number Code 87.040 (Paints and varnishes)
To find similar documents by ASTM Volume:
06.02 (Paint -- Products and Applications; Protective Coatings; Pipeline Coatings)
To find similar documents by classification:
87.040 (Paints and varnishes Including coating powders, paint coatings and protective paint systems)
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Document Number
ASTM-D7488-11R24
Revision Level
2011 R24 EDITION
Status
Current
Modification Type
New
Publication Date
Feb. 23, 2024
Document Type
Test Method
Page Count
3 pages
Committee Number
D01.42