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Compounding: New Torque Record Set At K '10

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New twin from Coperion also pumps up output by 30%

In compounding new at last fall's K2010 show, Coperion Corp. debuted the ZSK Mc18 line of twin screw extruders. The machine features a 30% increase in specific torque—to 18 Nm/cm3—compared with other designs, and a 30% gain in throughput.

KM-Berstorff exhibited a ZE 60 UTX twin-screw extruder for processing natural fibers and bioplastics. The machine features a processing section designed for high-volume or undried materials. For example, 6D-long barrel sections with large top openings assist in feeding and degassing low-bulk-density materials such as starch and cellulose ester.

Leistritz showed a new 18-mm twin with a 1.66 ID/OD ratio.

Davis-Standard introduced a series of underwater, water-ring and air-ring pelletizers for normal, micro, and macro pellets in sizes for laboratories up to high-capacity resin plants. The redesigned die plates enable greater throughputs while nearly doubling the face life.

As reported in September, Gala Industries showed its Model EAC (Electronically Adjusted) pelletizer for rates up to 33,000 lb/hr.