Bookbinding and the Conservation of Books
A Dictionary of Descriptive Terminology

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titanium dioxide

A white compound, the oxide of titanium (TiO 2 ). It occurs naturally in the rutile, anatase, and brookite crystalline forms. The rutile form is used in the manufacture of pigmented paper coatings, while the anatase form is used as a filler pigment in paper manufacture. Both types (as used in papermaking) are important because of their whiteness, high brightness, and high refractive index (2.52 to 2.76), all of which results in a paper of improved brightness and opacity. (17 , 235 )

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