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Significance and Use
5.1 Latex paints are sometimes applied over substrates that contain a high level of water soluble salts that result in efflorescence. This practice evaluates a coating’s vulnerability to efflorescence.
1.2 This practice is designed primarily to relate efflorescence originating in the substrate to the deposit appearing on the surface of latex paints. This practice relates chiefly to the painting of masonry-type substrates such as concrete block, brick, mortar, stucco, poured concrete and similar materials.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D1475 Test Method For Density of Liquid Coatings, Inks, and Related Products
D1734 Practice for Making Cementitious Panels for Testing Coatings
D4585 Practice for Testing Water Resistance of Coatings Using Controlled Condensation
D5068 Practice for Preparation of Paint Brushes for Evaluation
ICS Number Code 87.040 (Paints and varnishes)
UNSPSC Code 31211506(Latex paints); 46181533(Protective coats)