New co-extrusion head technology

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With tire characteristics becoming increasingly specific, manufacturers are placing ever-higher demands on production equipment developers. To address these demands, Troester has unveiled the latest iteration of its CoEx (co-extrusion) line, the 4+2.

The new design features a range of CoEx heads for up to six compounds, offering manufacturers greater versatility in terms of extrusion requirements.

The quadruplex hammerhead design enables selective compound changes, as well as modular tooling. Furthermore, the opening width is tailormade to meet specific requirements. The CoEx head incorporates two dedicated extruders for specialized compound application – hence the designation CoEx 4+2.

The new head design suits a wide range of applications, including the production of ultra-high-performance tires.

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About Author


Matt joined UKi Media & Events in 2014 after seven years of living and working in Dubai. He has been a journalist for over 15 years and has worked for a wide range of publications, including Rolling Stone, Time Out, iQ, Wired, Kipp Report and Loaded. After starting out on the automotive team as deputy editor of Engine Technology International, Electric & Hybrid Vehicle Technology International and Transmissions Technology International, he has been an editor since 2015, and began editing Tire Technology International in 2018. In 2020, he was appointed editor-in-chief of Tire, Electric & Hybrid Marine Technology International and Wheel Technology International. He is also the chairman of the Tire Technology International Awards for Innovation & Excellence

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