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plastic pellet processing solutions

Plastic Pellet Classifiers

The Witte Company started building classifiers specifically for plastic pellets in the 1960's. 

As plastic part manufacturers demanded that their pellets be of uniform size and free of any contamination, Witte realized this market was ideal for their vibrating classifiers. Through continuous improvement and by paying close attention to our customer's needs, Witte plastic pellet classifiers have since become the standard on plastic pellet manufacturing lines around the world.

In the evolving world of plastic compounding, Witte is familiar with many of the unique challenges processors face. Products that are abrasive on equipment, hard to dry, or difficult to screen are all issues we deal with frequently. Witte has developed specialized vibrating pellet classifier machines that can overcome these challenges. We would be pleased to hear about your processing needs to offer our proven advice.

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Plastic Pellet Classifiers


Witte has long been the industry’s premier classifier manufacturer.

"What truly sets them apart is the dedication to customer satisfaction, which starts with the president and is followed through with all the employees."

- Bob Lange President
Lange Strand Pelletizing

Witte has provided top-notch material processing equipment for many years.

"Their attention to detail, flexibility, timing and quality have consistently met or exceeded our expectations. We consider Witte a well-trusted, top-tier supplier."

- Tom Levesque Project Manager
Clariant Plastics & Coatings USA

Our Witte 400s are a tremendous addition to our process.

"We’ve eliminated the need to break up agglomerated material and flow into the presses is improved and more consistent. Witte delivered as promised."

- Bill Palardy Process Engineer
Nylabone Co.

Contact Us Today

The fastest way to talk to a real person at The Witte Co. is to call 908-689-6500.

Otherwise, fill out the form and we will respond as soon as possible.