Promix Solutions AG is a Swiss engineering company specializing in mixing and foaming technologies for polymer and chemical processing. Headquartered in Winterthur, it develops equipment and process solutions that enhance melt homogeneity, temperature control, and material efficiency in extrusion and injection molding.
The company’s portfolio includes static mixers, melt blenders, mixing nozzles for injection molding, melt filtration, and gas dosing systems, as well as microcellular foaming solutions marketed as Promix Microcell Technology. These systems are used to improve product quality, stabilize processing, and reduce material usage by producing lightweight foamed plastics. Promix serves applications across film and sheet, pipe and profile, fibers, and compounding, with end markets in packaging, automotive, consumer goods, and healthcare. In addition to equipment, Promix provides engineering support, trials, and retrofit solutions for existing lines.