Pigment used in coating colour formulations, characterized by a good compatibility with all binders, a low demand for binders, a quite good opacifying power and ink absorption and by the capacity to provide high smoothness and gloss to the surface of paper as well as good whiteness levels.
Definition source:
Brewer (2003)
Context:
Until recently, kaolin accounted for about half the pigment used for filler and coating, but this proportion is declining due to the adoption of alkaline sizing using calcium carbonate as filler.
