| http://www.w3.org/ns/prov#value | - g from about 47 to about 53 wt. % paper fiber, from about 28 to about 34 wt. % clay , and especially paper grade clays or mixtures thereof, including Kaolin, about 14 to about 20 wt. % calcium carbonate or art known equivalents thereof and mixtures thereof, and from about 0.01 to about 0.9 wt. % of an inorganic pigment such as titanium dioxide, or the art known equivalents thereof, and mixtures th
|
