What is a masterbatch?

A masterbatch, also referred to as a concentrate, is a package for coloring plastics. Pigments, dyes, or other additives are dispersed into a polymer carrier which is extruded and pelletized. Those pellets are metered, or let down, into natural polymer, using a predefined ratio, during the molding process where additional mixing colors the resin entirely. Normal addition rates vary from 1 to 4%.

Posted in: Color

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