Purgex™ 457 Plus

Product Information

Purgex™ 457 Plus commercial purging compound is a ready-to-use blend consisting of active ingredients with a polyethylene carrier. Purgex products have mechanical activity for efficient cleaning, foaming action for enhanced mixing and a lubricant for easy removal. Want to learn more about how purging compounds work?

 

Physical Description

• Blend, polyethylene, viscosity modifier and an active component
• Non-toxic, non-abrasive, and safe
• Ready to use and easy to remove

 

Features and Benefits

• Designed for more challenging color and/or material changes plus efficient cleaning of hot runner systems, Purgex 457 Plus has proven to perform particularly well in removing low-to-mid-range mineral. It is also an ideal purging compound for glass-filled resins.
• Engineered for rapid turnaround on color and material changes. Efficiently removes residual contamination.
• Effectively cleans the barrel, screw, check ring, as well as hot runner systems and is safely processed through hot runner gates as small as .030-inch (.75mm).
• Thorough cleaning of melt pumps and is safely processed through dies as small as .030-inch (.75mm).

Resin Compatibility and Operating Temperature

ABS, PA, PC/ABS, PE, PP-Copolymer, Flexible PVC (over 370°F and within the grade operating range), TPEs, TPOs, HDPE, LDPE, PBT, PMMA, POM, PP-Homopolymer, PU, PVC-Rigid, SAN, PS, LLDPE.

Operating range: 380–550°F (193–288°C). Select a processing temperature within the grade range and follow the applicable purging procedure.

Processes and Equipment

Listed processes: Injection molding, Injection blow molding, Extrusion compounding, Extrusion blow molding, Profile extrusion, Sheet extrusion.

Equipment cleaned: Cold runners, hot runners, check valves, mixing nozzles, accumulators, melt pumps, extrusion dies. Equipment listings do not expand the listed process applications.

Coverage follows the Product Selection Guide Matrix, Revision H (updated version supplied November 11, 2026). Contact our technical team for applications not listed. Use the product selector or compare Purgex grades.