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Neutrex Solutions for Plastic Parts

Neutrex, founded in 1992 and headquartered in Houston, Texas, USA, is the manufacturer of Purgex™ purging compounds. The company helps plastics processors efficiently clean injection molding, extrusion, and compounding equipment, reducing downtime, scrap, and contamination through chemical and mechanical action, with products sold in over 40 countries. For the plastics industry, Neutrex provides purging compounds. These remove residues, color changes, carbon buildup, and low- to mid-range filled resins in blown film, hot runners, extrusion dies, and multicavity molds, offering foaming action, lubrication, oxidation barriers, and compatibility with polyolefins (LDPE, LLDPE, HDPE, PP), reducing machine downtime and improving productivity.

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Purgex™ 461 Plus

Purgex™ 461 Plus by Neutrex is a purging compound. It is ready-to-use and is recommended for color or material changes and the removal of residual contamination. It is suitable for blown film and ECM multicavity molds. It offers mechanical activity for efficient cleaning and foaming agent for enhanced mixing. It neutralizes acid gases generated by PVC, reduces scrap and machine downtime. It cleans screws, barrels, dies and hot runners. It forms a barrier which prevents oxidation and black spots. It is recommended for LDPE, LLDPE, MDPE, HDPE, PP, mono-film, polyolefins and compostables.
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Purgex™ 459 Plus

Purgex™ 459 Plus by Neutrex is an extra-strength, multi-purpose purging compound in a convenient, ready-to-use blend of active ingredients with a polyethylene carrier. It was designed specifically for automotive interior applications and engineered for rapid turnaround on color and material changes. This non-toxic, non-abrasive grade has mechanical activity for efficient cleaning, foaming action for enhanced mixing, and a lubricant for easy removal. It thoroughly and safely cleans injection molding machines and hot runner systems. Purgex™ 459 Plus efficiently removes residual contamination, 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 (0.75mm). It is recommended for hot runners, mixing nozzles, check valves, cold runners, accumulators, extrusion dies and melt pumps.
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Purgex™ 457 Plus

Purgex™ 457 Plus by Neutrex is a multi-purpose purging compound. It performs particularly well in removing low- to mid-range mineral- and glass-filled resins. It is non-toxic, non-abrasive with mechanical activity for efficient cleaning, foaming action for enhanced mixing, and a lubricant for easy removal. It is safely processed through dies as small as 0.030-inch (0.75mm). Purgex™ 457 Plus is recommended for hot runners, mixing nozzles, check valves, accumulators, cold runners, extrusion dies and melt pumps.
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Purgex™

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Purging Compounds

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