Cube blends coloration

Figure 3.20 Resin cubes of two different colors, about to be cube blended. XXLPhoto/Shutterstock.com.

PA also have a unique chemical structure that accommodates the use of dyes and colorants. Custom colors easily are achieved in the injection molding process through master-batch concentrates, cube blending, or custom compounding. 

Formulations for extrusion generally include light and heat stabilizers, lubricants, which facilitate molding, and colorants. These materials are generally purchased in a compounded ready to use cube form, in order to minimize irregularities in blending, etc. 

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