PIGMENT PRODUCTS

摘要

A pigment product suitable for use in a coating composition to provide a gloss coating on paper, the pigment product comprising a processed particulate kaolin whose particles have a particle size distribution such that at least 80 % by weight of the particles have an equivalent spherical diameter less than 2 mu m and not less than 8 %, preferably not less than 12 %, by weight of the particles have an equivalent spherical diameter less than 0.25 mu m and whose particles have a shape factor of at least 45, preferably at least 50.