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Paint and Coatings Industry Standards
D2486 Standard Test Methods for Scrub Resistance of Wall Paints
Paints often become soiled, especially near doorways, windows, and in work and play areas. These test methods cover the determination of the relative resistance of different paints to erosion when repeatedly scrubbed during the life of the paint.
Test Method D4213 is a similar scrub resistance test using a weight-loss technique and reporting volumetric film erosion rates.
Test Method A measures scrub resistance by the traditional cycles-to-failure concept. Poor correlation in scrub testing can be attributable to among other things variations in the stiffness of the brush bristles, condition of washability tester, application and drying conditions. In an attempt to improve reproducibility, Test Method B has been developed.
