Plastic Pellet Color Measurement

Extruded plastic compounds cut into smaller pieces and later be used in further plastic-forming processes such as extrusion or injection molding, pellets are a key component to virtually all plastic manufacturing processes. And the first step in ensuring the consistency of the final color of any plastic product is controlling
the color of the compound itself.

The color of plastic pellets is often measured before

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the pellets are extruded, or molded, into a final product. Plastic pellets are typically translucent and non-uniform in size. Therefore, special

accessories and presentation techniques are required to provide repeatable results.

Many HunterLab spectrophotometers have the versatility to accommodate most applications of color measurement. However, based on 60+ years of experience and a thorough understanding of our customers’ needs and product use, these particular instruments are most suited for this industry application.


NEW Aeros Smart noncontact spectrophotometer provides the unique ability to easily and accurately measure inconsistent, heavily textured, non-uniform samples.

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ColorFlex EZ (45°/0° Geometry, Reflectance, 400-700 nm)
40% of our customers prefer this instrument because of its compact design and integrated display, so does not require a PC and external software.

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