Screening of Coating Pigments - How Volumetric Capacities of Screening will be Affected by Changes in Rheology and Screen Parameters, 1994 Coating Conference Proceedings

Martti Markinen

The screening of coating pigment slurries and coating colors is the key process in ensuring trouble-free coating color production. The new trend towards higher dry solids levels in coating color have lead to the dispersing of pigments close to their rheological limits. Dilatant flow behavior can be found in these highly concentrated suspensions.

Pigment dispersions and coatings are normally cleaned with screening surfaces which contain slots. The slurries are pressed through those narrow channels by pump pressure. In the slots, slurries are subject to varying shear rates.

Author: Makinen, M.
Screening of Coating Pigments - How Volumetric Capacities of
Screening of Coating Pigments - How Volumetric Capacities of Screening will be Affected by Changes in Rheology and Screen Parameters, 1994 Coating Conference Proceedings
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