bulking value[′bəl·kiŋ ‚val·yü]
The relative ability of a pigment or other substance to increase the volume of paint.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
A measure of the specific gravity of a pigment, usually expressed as gallons per 100 lb or liters per kilogram.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.