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Significance and Use
5.1 Many architectural paints, particularly white and light tints, change significantly in film opacity as they dry. An increase in hiding is sometimes associated with porosity and poor film integrity with conventionally formulated coatings. A decrease can result in a disappointing paint job. The wet-to-dry hiding change is therefore a property of great practical importance.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D2805 Test Method for Hiding Power of Paints by Reflectometry
D3924 Specification for Environment for Conditioning and Testing Paint, Varnish, Lacquer, and Related Materials
ICS Number Code 87.040 (Paints and varnishes)
UNSPSC Code 31210000(Paints and primers and finishes)
ASTM D5007-99(2013), Standard Test Method for Wet-to-Dry Hiding Change, ASTM International, West Conshohocken, PA, 2013, www.astm.orgBack to Top