Co-rotating twin-screw extrusion solutions for material development, re-compounding and direct extrusion
Co-rotating twin-screw extrusion solutions for material development, re-compounding and direct extrusion
As polymer applications become more demanding, compounding has become the true innovation driver in modern plastics processing. From cable compounds to engineering plastics and bio-based materials, processors require technologies capable of delivering precise mixing, thermal control and process stability.
Co-rotating twin-screw extrusion has established itself as the reference technology for these applications thanks to its flexibility and ability to process increasingly complex formulations.
With decades of experience in extrusion engineering, ICMA San Giorgio develops co-rotating twin-screw extrusion systems designed to support processors from formulation development to industrial production.
Advanced compounding for high-performance applications
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• Engineering polymers
• Highly filled and specialty compounds
• Biopolymers and bio-based materials
• Compounds for the pipes & cable industry
• Thermoplastic Elastomer compounds
• Other specialties or customized formulations
These materials often require a delicate balance between mixing intensity and thermal control. ICMA’s modular screw configurations allow processors to tailor the process to specific material requirements while maintaining stable and repeatable production conditions.
From material development to proof of concept
As materials become more complex, successful industrial implementation increases depending on reliable scale-up strategies. ICMA supports customers through an integrated approach combining process engineering with industrial testing capabilities.
A key differentiator is the ICMA Innovation Hub, where customers can perform trials on industrial-scale extrusion lines rather than only laboratory equipment.
This allows processors to:
· Test formulations under real production conditions
· Validate process parameters before investment
· Reduce start-up risks
· Optimize productivity
· Improve product quality
This industrial testing capability represents an important advantage for companies seeking to accelerate industrialization of their formulations.
Re-compounding: creating value from recycled polymers
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One of the most significant challenges in mechanical recycling is the treatment of post-consumer plastics, particularly light and contaminated materials such as films and flexible packaging.
To address these challenges, ICMA developed ReCoPurTech™, an advanced process solution designed to improve melt purification, devolatilization efficiency and material quality in recycling applications.
The ReCoPurTech™ concept combines:
· Optimized feeding technologies for rigid and low bulk density materials (HDPE, PE, PP, ABS, PS..)
· Advanced degassing solutions
· Intensive melt mixing
· Odour removal technologies
· Process configurations for one-step recycling and compounding
This integrated approach allows processors to transform difficult waste streams into higher-value compounds suitable for demanding applications.
Direct extrusion: extending compounding expertise
Another growing trend in polymer processing is the integration of compounding and forming into a single production step. ICMA applies its compounding expertise to direct extrusion solutions capable of producing technical foils and sheets (Highly Filled, Heavy Layer, membrane, WPC..) directly from the compounding process.
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• Reduced energy consumption
• Simplified plant layouts
• Improved process efficiency
Engineering partnership beyond machinery supply
Still a people-driven engineering company, ICMA combines technical expertise with the flexibility polymer processors need today.
Meet ICMA in 2026
ICMA regularly participates in major international exhibitions where visitors can learn more about its latest developments in compounding and recycling technologies.
The company will be present at several international exhibitions throughout 2026. A full calendar of events is available on the ICMA website.
About ICMA San Giorgio
ICMA San Giorgio is an engineering company founded in 1945 and specialized in the design and manufacturing of co-rotating twin-screw extrusion systems for compounding, advanced recycling and direct extrusion applications. With decades of experience in extrusion technology, the company supports customers worldwide with engineered solutions and process expertise.
Website: www.icmasg.it
