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D7489 Standard Practice for Evaluating Touch-Up Properties of Architectural Coatings under Various Environmental Conditions

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Revision Date: July 22, 2013
Updated On: September 17, 2013
Editorial Change:
 
5.1 During construction of a home, paints are subjected to a wide variety of drying conditions, and this may exhibit differences between the original coat and the touched-up area in appearance after its full cure. Therefore, it it essential for the paint to be able to perform under a wide variety of drying conditions. A paint that does this is very advantageous to the contractor.

5.2 It is possible for a paint to have excellent color touch-up, but poor sheen touch-up, or vice-versa. The ideal paint will have both excellent color and sheen touch-up under testing conditions.

5.3 Color, gloss and base choice can have a major impact on touch-up of the paint.

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