Emil Otto Flux- und Oberflächentechnik

Emil Otto Flux- und Oberflächentechnik GmbH is a German manufacturer of fluxes, solders, and industrial surface treatment chemicals for electronics, metal processing, and solar industries based in Eltville am Rhein. Founded in 1901, the company develops high-performance fluxing agents, solder pastes, cleaning media, and ESD-compliant products for PCB assembly and electronic component manufacturing. For metalworking applications, the product range includes chemical solutions for etching, pickling, burnishing, strip tinning, brazing, and radiator construction. Emil Otto provides specialized solar fluxes, halogen-free solar flux gels, and fluxing gels designed for solar module manufacturing and photovoltaic cell interconnection. In addition to standard formulations, the manufacturer offers custom product adaptation, process evaluation, and technical consulting to optimize wave, selective, and hand soldering processes for OEMs. The company supplies water-based and alcohol-based fluxes engineered to stabilize assembly lines and eliminate post-solder cleaning steps in automated manufacturing environments. Emil Otto serves international markets across Europe, Asia, Africa, and North America with certified quality and environmental management systems. Its technical capabilities enable reliable surface joining technology for automotive, sensor, drive technology, and industrial automation clients worldwide.