Hiding power

Description

A measure of the Opacity of a Paint or Pigment. When expressed numerically, it is the number of square feet over which a gallon of paint, or pound of pigment, can be uniformly spread at a thickness that will provide a specified contrast ratio (ASTM). The contrast ratio is calculated from the colors measured when the paint is placed over both black and white backgrounds.

Synonyms and Related Terms

Deckkraft (Deut.); opacity; covering power

Resources and Citations

• R. J. Gettens, G.L. Stout, Painting Materials, A Short Encyclopaedia, Dover Publications, New York, 1966

• G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 608

• ASTM, "Standard Terminology Relating to Paint, Varnish, Lacquer and Related Products", Annual Book of ASTM Standards, Section 6, Paints, Related Coatings and Aromatics, ASTM, D16, 7-Jan, Jul-96