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As part of the at PTXPO (March 18-20; Donald E. Stephens Convention Center; Rosemont, Illinois), the topic of will be addressed by an expert lineup of speakers, including two injection molders and a supplier of material handling and size reduction equipment.

Kicking off on Wednesday, March 19, 9:30–11:30 a.m., is Robert Gattshall, process engineering manager at injection molder IPL. Gattshall will talk about managing regrind from a molder’s perspective, reflecting on his efforts over the years to perform generation tracking (which he wrote about for Plastics Technology in this article).

Richard Demko of Polyflex Products/Nefab will address how molders are being asked to incorporate postconsumer and postindustry regrind as environmental pressure grows. Internally reclaiming production byproducts like sprues, runners, purge and scrap parts poses unique challenges compared to externally sourced feedstocks. Demko will share practical tips for overcoming these hurdles while upholding quality standards.

Finally, Paige O’Meara of the Wittmann Group will discuss how to introduce regrind to your molding process. O’Meara notes that rising costs and shortages of raw materials, paired with tighter demands for product consistency, have many molders seeking to blend their own virgin resin/regrind recipes. O’Meara will discuss how accurately reintroducing regrind into the final product is more important than ever, given environmental mandates and possible cost savings.

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