As Seen in PlasticsToday: UniTemp’s Pekutherm ULT Expands Low-Temperature Purging Options
- UniTemp
- 2 minutes ago
- 3 min read
UniTemp’s Pekutherm ULT was recently featured in PlasticsToday for its ultra-low temperature purging capabilities for plastic processors working with silicone, EPDM, and other temperature-sensitive materials.
The article highlights an important development for processors who operate in low-heat production environments where traditional purging approaches may not perform effectively. Pekutherm ULT is engineered to operate at temperatures as low as 175°F, giving processors a mechanical purging option for applications that require lower processing temperatures.
Read the PlasticsToday feature here: https://www.plasticstoday.com/injection-molding/unitemp-launches-ultra-low-temperature-purging-solution-for-processors
Why This Press Feature Matters
Industry coverage matters because many processors continue to face difficult cleanout challenges during low-temperature material transitions.
“Silicone, EPDM rubber, flexible polymers, and specialty low-temperature materials can create persistent residue inside screws, barrels, dies, and extrusion lines. These cleanouts often require additional labor, extended downtime, manual scraping, or excess material flushing before production can resume.” Bernd Krebs President & Chief Executive Officer
The PlasticsToday feature helps bring attention to a practical production problem: low-temperature processing environments need purging solutions designed for their actual operating conditions.
What Makes Pekutherm ULT Different
Pekutherm ULT is a mechanical purging compound designed for ultra-low temperature and moderate-temperature processing applications.
Unlike chemical purges or carrier-resin systems, Pekutherm ULT relies on physical thermoelastic cleaning action. During processing, the material softens into a pencil-eraser-like consistency that helps mechanically remove residual polymer, color contamination, carbon buildup, and degraded material from metal surfaces.
This thermoelastic action allows Pekutherm ULT to soft-scour the system without relying on chemical reaction, soaking time, or carrier resin dilution.
Designed for Low-Temperature Processing
Pekutherm ULT operates across a processing range of:
175°F to 625°F79°C to 330°C
That range makes it especially relevant for processors working with materials such as:
• Silicone• EPDM rubber• PVC• EVA• Flexible polymers• Specialty low-temperature materials
For processors working at the lower end of the temperature range, the ability to purge mechanically at 175°F can help reduce the need for extended flushing, manual cleanout, or unnecessary downtime between material and color changes.
Applications Across Injection Molding and Extrusion
Pekutherm ULT supports both injection molding and extrusion environments.
Common use cases include:
Silicone cleanouts
EPDM changeovers
Flexible polymer transitions
Low-temperature material changes
Preventative maintenance purges
Color contamination removal
Screw pull preparation
For extrusion processors, Pekutherm ULT can help clean screws, barrels, dies, and downstream flow paths where low-temperature materials may leave residue.
For injection molders, it provides an option for low-temperature changeovers where standard purging materials may not match the processing window.
Supporting Maintenance and Screw Pull Preparation
Pekutherm ULT can also function as a screw pull aid during maintenance operations: https://www.pekutherm.org/post/preventative-purging-reduces-screw-pulls-injection-molding-extrusion-2026
“As the material moves through the system, it mechanically soft-scours degraded polymers from metal surfaces. This can help reduce residual buildup remaining inside screw flights before removal, supporting cleaner and more efficient maintenance work.” Björn Krebs Future Leadership
The goal is not chemical loosening or lubrication. Pekutherm ULT supports maintenance by physically removing degraded material through thermoelastic mechanical action.
Part of the Broader Pekutherm Platform
Pekutherm ULT is part of UniTemp’s broader Pekutherm family of mechanical purging compounds.
The Pekutherm product platform supports plastic processors across low-temperature, standard-temperature, and high-temperature applications, with available processing coverage from 175°F to 752°F.
This allows processors to select the appropriate Pekutherm formulation based on application type, machine size, and processing temperature range.
Learn More About Pekutherm ULT
Pekutherm ULT gives processors a mechanical purging option for low-temperature materials without carrier resin, soaking time, or chemical reaction.
For processors working with silicone, EPDM, flexible polymers, or specialty low-temperature materials, Pekutherm ULT expands the practical purging window and supports cleaner, more reliable changeovers.
Learn more about Pekutherm ULT and UniTemp’s mechanical purging compounds: https://www.pekutherm.org