Von Roll: Impregnation and Potting Resins for EVs Von Roll is headquartered in Switzerland and focuses on products and systems for electrical power generation, power transmission, and industrial applications. The electric vehicle (EV) market provides a new opportunity for its materials in electric motors, batteries, sensors, and more. The interview with Von Roll focused on its impregnation and potting resins for EVs. Von Roll: Impregnation and Potting Resins for EVs