Titanium dioxide pigment is a fine white powder. When used in paints, plastics or paper, it provides for maximum whiteness and opacity. It gives paint high hiding power, meaning the ability to mask or hide a substrate. It does this more effectively than any other white pigment. Today, titanium dioxide pigment is by far the most important material used by the paints and plastics industry for whiteness and opacity. These unique properties are derived from the refractive index of titanium dioxide. The refractive index expresses the ability to bend and scatter light. Titanium dioxide has the highest refractive index of any material known to man, greater even than diamond. To take advantage of this property, titanium dioxide must be mined, refined and ground to a fine, uniform particle size.
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