Purging Compound for Extrusion Blow Molding | Purgex

Bruce Gervason

Bruce brings more than 25 years of expertise in the thermoplastics purging industry, with a technical background spanning injection molding, hot runner systems, extrusion profile, cast and blown film, and blow molding. He has worked extensively with resins ranging from commodity grades to high-performance engineering materials, giving him broad process knowledge and versatility. Bruce is highly experienced in leading in-plant trials and provides hands-on training and technical support to ensure the optimal use of Purgex Purging Compounds. His guidance helps processors improve changeover efficiency, reduce scrap rates, and maximize machine uptime.

Plastic bottles in a manufacturing line.

Purging Compound for Extrusion Blow Molding: How to Improve Efficiency 

TL;DR: The purging compound extrusion blow molding process is key to keeping your blow molding machines clean, efficient, and consistent. This blog explains how purging compounds help blow molders reduce downtime, eliminate defects, and improve product quality. In the fast-paced world of plastic extrusion blow molding, every minute counts. Unplanned downtime, color streaks, or contamination […]

A film extrusion machine.

How Purging Minimizes Downtime in Plastic Film and Sheet Extrusion

TLDR: In today’s competitive packaging industry, uptime is everything. For manufacturers of plastic materials—especially those producing plastic film and sheet—minimizing downtime can make the difference between profit and loss. One of the most effective and often overlooked tools for keeping sheet and film extrusion lines running smoothly is the strategic use of purging compounds. Whether […]