Reifenhäuser Blown Film Provides Technical Solution to One of the Biggest Challenges in the Processing of Recyclate
The line manufacturer Reifenhäuser Blown Film presents at K 2022 a technology that makes blown film producers independent of highly fluctuating recyclate qualities and ensures a stable production process – even when processing low-quality input material: EVO Fusion upgrades recyclate qualities.
With EVO Fusion, blown film producers also process previously unusable, lowest-quality recyclates into high-performance blown films for simple end-uses, such as trash bags or mailing bags. Until now, such low-grade recyclates could only be used for simple and thick-walled injection-molded products. In addition, producers can make higher-quality film from recyclates that could also be processed in the past.
Eugen Friedel, Director Sales at Reifenhäuser Blown Film, explains, “In order to drive the circular economy, recyclate rates in blown film products must increase and classic downcycling must be limited. With EVO Fusion, we offer a unique process that enables customers to process even low recyclate grades easily and economically into high-performance products and increase the recyclate content. In this way, processors open up new fields of application for recycled products.”
The EVO Fusion process relies on direct extrusion, which eliminates the need for energy- and cost-intensive regranulation of the raw material. This means that fluff (film shreds) and all types of production waste and PCR material can also be processed directly.
This is made possible by the twin-screw technology, which homogenizes the melt better and thus ensures a stable process. In addition, processors can degas the system very easily and effectively, removing unwanted components in the recyclate.
For processing better quality regranulates, Reifenhäuser recommends the EVO Ultra single-screw extruder. Thanks to optimized barrier as well as shear and mixing parts, this extruder processes recycled material as reliably and naturally as other raw materials – the ideal prerequisite for success in the growing market for products with a high recycled content.
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