Benefits | Pekutherm® Plastic Purging Compound(s) for Injection Molders & Extruders.
An Overview of Features and Benefits.
As a decision maker at your plastic production facility, we realize that you are looking for ways to reduce scrap, contamination and optimize efficiency for mold/ color/ plastic change-over.
Pekutherm® can facilitate a rapid transition between molds, color switches or material changeovers with minimal downtime. These changes can be done while keeping the integrity of your machinery.
PEKUTHERM® PURGING COMPOUND BENEFITS:
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No Carrier Resin Molded in the Part or on the Knit Line
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Generous Cost Savings
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Observable Productivity Gains
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Quick Mold Changes
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Accelerated Changeovers and Machine Time Gainage
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Intensely Thorough Color and “down to the metal” Carbon Contaminate Removal
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Machine Screw Pull Reduction
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Less Scrap, More “Sellable” Parts
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Elimination of Gas Residue “carryovers” between Incompatible Plastics
PEKUTHERM® PURGING COMPOUND FEATURES:
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Best in class Working Range(s) Depending on Formulation 175°F - 752°F (79°C – 400° C)
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Works with all Plastics within the Working Range
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Soft Scour Thermo-ELASTIC Physical Properties (the consistency of a pencil eraser)
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Does NOT Wear on Metal Surfaces
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Pekutherm® does not “blend with” Incoming Plastic or have a Carrier Resin
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Complete Displacement of Outgoing Plastics
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No Mixing or “soak” Time is required
Pekutherm ULT has dramatically improved our EPDM and Silicone Rubber changeovers. The ability to purge at Ultra-Low Temperature such as 175°F, is a game changer for our process. We’re now saving significant raw material and labor, as the previous scrubbing during screw pulls is virtually eliminated. Over the year, this will reduce costs, increase our up time, and keep our extrusion line running efficiently. (Uses Pekutherm® "ULT”)
- Minnesota based Extruder
Learn About Plastic Purging Compounds
PEKUTHERM® mechanical purging compounds are used by plastics processors worldwide to clean injection molding machines and extrusion equipment. Our technical guides explain how purging compounds work, when to use them, and how operators can reduce downtime during color or material changeovers.
Explore our latest guides:
What Are Purging Compounds? A Complete Guide for Plastics Processors (2026)
Mechanical vs Chemical Purging Compounds: What Plastics Processors Need to Know
https://www.pekutherm.org/post/mechanical-vs-chemical-purging-compounds-2026
How to Purge an Extruder (2026 Guide)
https://www.pekutherm.org/post/how-to-purge-an-extruder-2026
How to Purge an Injection Molding Machine (2026 Guide)
https://www.pekutherm.org/post/purge-injection-molding-machine-2026
Carbon Buildup in Plastic Processing Equipment: Causes and Cleaning Methods
https://www.pekutherm.org/post/carbon-buildup-extruder-cleaning-2026
PEKUTHERM® ULT: Ultra-Low Temperature Purging for Injection Molding
https://www.pekutherm.org/post/pekutherm-ult-ultra-low-temperature-purging-injection-molding
