The Dyna-Purge Division of Shuman Plastics Inc. (Depew, NY) has introduced Dyna-Purge A for polypropylene (PP) color changes. The hybrid product combines key features of both mechanical and chemical ...

Purging the blow molding machine on the shop floor will ensure efficient performance and a better end product. While there are some differences between standard and custom blow molders, the blow ...

Depending on the process, purging methods can vary. Extrusion, unlike injection molding, is a continuous process. As a result, purging procedures should be performed regularly to avoid issues with ...

Editor?s note: Mikihiko Ito is chief engineer for Asahi-Kasei Corp. of Tokyo, Japan and John Pizzo is technical service and development engineer for Sun Plastech, a wholly owned subsidiary of ...

CLINTON, Tenn.--(BUSINESS WIRE)--Converters who blow mold bottles know only too well how making a resin formulation or color change can hamper productivity. It can easily take several hours and ...