Electronic

Fluxes, solders and cleaning agents for reliable assembly production

Metal
Wide range of chemical products for high-quality metal processing
Solar
Fluxes, solders and cleaning agents for efficient solar cell production
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Electronic

We offer reliable consumables for assembly production. As an owner-run company, we are committed to the development and production of high-quality fluxes and other consumables, such as solders, soldering aids, cleaning agents and ESD products.

Metal

Our origins lie in metal chemistry, from which our know-how and many years of experience in the manufacture of chemical products for the metal processing industry originate. This builds the foundation for our extensive product range, which covers a wide variety of applications with the highest quality.

Metal

Our origins lie in metal chemistry, from which our know-how and many years of experience in the manufacture of chemical products for the metal processing industry originate. This builds the foundation for our extensive product range, which covers a wide variety of applications with the highest quality.

Solar

Fluxes, solders and cleaning agents for the solar industry – Made in Germany. We offer a wide product range for soldering solar modules, tabber and stringer material as well as connecting cells. The fluxes are No Clean-Products, which are formulated halogen-free.

Questions? We will be happy to advise you

Company

Quality products
since 1901

Our company, Emil Otto, was founded in 1901 and since then has a long tradition in the production of high-quality fluxes for use in the soldering industry. We specialise in the development and production of high-quality fluxes that are widely used in the electronics, automotive and mechanical engineering industries.
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Catalog

Product highlights

Our team has years of experience and extensive expertise that goes into the development of our products. So you can be sure that you always receive the best solutions for your requirements.

Latest news

News, trade fair and events

No Clean-Flux EO-B-026 alcohol-based

Emil Otto meets high demand for ROL0 fluxes

Our ROL0 fluxes are NO CLEAN fluxes based on alcohol with a di-carboxylic acid activator complex and colophonium. [...]
No Clean flux gel EO-G-006 dosing syringe

Avoiding cross-reactions with alcohol and water-based flux gels

Emil Otto GmbH, a leading supplier of flux and surface technology, presents the new flux gels EO-G-006 and EO-B-016. Both [...]
Dekoratives Bild

May 7 - 9, 2025

Munich

Intersolar Europe

Dekoratives Bild

November 18 - 21, 2025

Munich

productronica 2025