Table 8-5. Definitions of Common Painting Terms -- Continued
Common Painting Terms
Purity or intensity of color. Degree of freedom from grayness.
Undesirable particles which develop in a liquid coating by partial
gelation of the vehicle or by agglomeration of pigment particles.
The difference in appearance between colors of similar hue.
A specular reflectance taken at a low angle, usually 85.
The formation of a solid surface layer on a liquid varnish or paint
when exposed to air.
A homogeneous liquid mixture, the proportion of whose consti-
tuents may be varied within certain limits. A solid is said to be in
solution when the molecules of the liquid have exceeded the attrac-
tion of those of the solid.
The term applied to products which dissolve the film forming con-
The ratio of the weight of an equal volume of a substance to the
weight of an equal volume of water at stated temperature.
The area of a surface over which a unit volume of paint will spread;
usually expressed in square feet per gallon.
The strength of a pigment is its opacity or tinting power.
The basis metal.
A color produced by mixing a colored material, dye or pigment with
white pigment or paint.
The coloring power of a given quantity of pigment or paint.
A modification of a full-strength color (mass tone) secured by blen-
ding with other colors.
The ability of a material to take bending, impact, etc. without crack-
The liquid portion of any paint, enamel or lacquer.