MIDCORE®

Primary Filtration in the Middle of the Line Superior Degassing System Secondary Filtration at the End of the Line In the recycling of heavily printed, moist, labeled plastic waste and materials containing volatile components, filtration alone is not sufficient to achieve high granule quality. Micro gas pockets remaining in the melt after filtration, along with volatile components originating from inks, adhesives and solvents, may cause problems such as bubbles, odor, film breakage and loss of quality in subsequent production stages. Our system, developed to address this requirement, passes the filtered melt through a short and compact melt-conditioning zone before degassing. In this zone, the melt is subjected to controlled shear, surface renewal and flow direction effects through a specially designed screw geometry. Thanks to this special process, trapped gases and volatile components within the melt are prepared for release before entering the vacuum zone. The vacuum degassing section positioned immediately afterward then enables these gases to be removed more effectively.