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Posted by on Dec 8, 2015 in TellMeWhy |

What Is Paint?

What Is Paint?

Paint is a mixture of a liquid vehicle, such as oil or a resin, and one or more colored powders. The colored powders, called “pigments,” give the paint its color. The vehicle is usually combined with a thinner.

Thinners such as turpentine make the paint easy to spread onto a surface. When the vehicle is exposed to the air, it begins to dry and harden. This causes paint to become a hard film that holds the pigment to the painted surface.

Paint is more than just the color though; it is a material that is applied as a liquid and dries by a variety of chemical processes to a solid. Indoors, paints give our homes and other buildings color and brightness. Outdoors, they also protect surfaces from the weather.

Paint typically consists of pigment, resin, solvent and additives:

.Pigment – to provide color, hiding and control gloss.
.Resin – the binder to hold the pigment particles together and provide adhesion to the surface painted.
.Solvent – to act as a carrier for the pigments and resin – the solvent may be organic or water.
.Additives – to enhance certain properties such as ease of brushing, mould resistance, scuff resistance, drying and sag resistance.

Content for this question contributed by Joe Dwenger, resident of Greensburg, Decatur County, Indiana, USA