zig zag classifier cost Zig-zag air separator included in the plastic recycling machine Introduction of Zigzag The Zig Zag also known as an Air Classifier, is designed to remove light contamination; such as paper,label and dust from plastic flake or other granular material. Single or multiple tower systems are available dependent on the throughput required. Typically positioned in a recycling line after granulation or dry cleaning operations. an aspirator is used to remove the lighter particles from the main material flow. http://www.getrecyclingtech.com/zig-zag-separator/