Mixing Equipment for Pigment Dispersions

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Pigment dispersions are typically prepared in a two-step process: (1) powder wet-out in a batching tank and (2) one or more passes through a mill to achieve the desired fineness of grind.

The costly and time-consuming milling step is often a production bottleneck which in the past has forced manufacturers to add more milling equipment to handle multiple passes or simply keep up with volume demands.

Today, companies are looking at better ways to prepare the pre-mix and disperse agglomerates as close as possible to the desired specifications to reduce the number of mill passes, allow the use of smaller grinding media, or even eliminate milling altogether.