Polyamide homes in on EV cooling systems

Solvay Performance Polyamides’ Technyl Blue range, which the company claims is the market reference for thermal management, has been augmented with new grades specifically designed for electric vehicle (EVs/HEVs). Based on polyamide (PA) 66 and 610 polymer technology, these new materials address both injection molding for parts in cooling circuits and air-conditioning systems, which also benefit from the brand-new extrusion range.

Technyl Blue extrusion grades for battery cooling pipes. Image courtesy of Solvay.

“Electrified vehicles present an increased number of complex interconnected cooling systems and demands more of our materials offering”, said Didier Chomier, Global Marketing Manager for Automotive at Solvay Performance Polyamides. “A historical leader for thermal management of internal combustion engines, our Technyl Blue range for both injection and extrusion now have all the assets to prove itself in the electric vehicle market."

The new Technyl Blue D 218CR V50 grade for injection molding provides total cost reduction versus specialty polymers such as polyphthalamide (PPA) and polyphenylene sulfide (PPS). It offers high mechanical strength, design flexibility, excellent surface aspect and easy processing for applications including thermostat housings and water pumps. Coolant and salt resistance are also key attributes of the grades, as is dimensional stability at elevated temperature.

The Technyl Blue range for extrusion offers an attractive cost/performance ratio compared to metals, such as aluminum, and alternative polymers including long-chain polyamides, notably PA12. This extrusion range is ideal for air conditioning and cooling lines for eV/HeV battery and engine systems.

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