ASTM-D7190 › Historical Revision Information
Standard Practice to Evaluate Leaching of Water-Soluble Materials from Latex Paint Films
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Scope
1.1 This practice covers the ability of a latex paint film to resist staining caused by the leaching of water-soluble materials when contacted with water shortly after application.
1.2 Water staining is attributed to the leaching of surfactants or other water-soluble materials from a paint film.
1.3 The values stated in SI units are to be regarded as standard.
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 and health practices and to determine the applicability of regulatory limitations prior to use.
Significance and Use
Surfactant staining is a common problem with exterior house paints, particularly when subjected to humid environments (such as morning dew) shortly after application.
Interior paints used in humid areas such as kitchens and bathrooms may also experience surfactant staining.
Leaching of water-soluble materials may be dependent on colorant dispersions that are mixed into tint base paints. Other paint components may also affect the leaching of water-soluble materials.
Keywords
early water resistance; exudation; latex paint; surfactant staining; water leaching; water sensitivity; water spotting; Water spotting; Exudation; Paint (latex); Surfactants; Water leaching; Water solubility; 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-D7190-10(2011)
Revision Level
2010 R11 EDITION
Status
Superseded
Modification Type
Reapproval
Publication Date
Jan. 1, 2011
Document Type
Practice
Page Count
2 pages
Committee Number
D01.42