zinc white
Zinc oxide (ZnO), a permanent white pigment
produced by a flame process in high temperature
furnaces. It is used as a white pigment in making
water colors and imparting opacity and color to
paper. Because of its ability to pick up, retain,
and release electrostatic charges, it is also used
in the manufacture of certain copying papers.
While zinc white is the whitest of all pigments,
it lacks the opacity of a pigment such as titanium
dioxide; however, it is also less expensive. (17 )
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