RÖHM GmbH
Röhm is one of the world's leading manufacturers in the field of methacrylate chemistry, serving automotive, construction, and medical technology markets.
Last updated September 15, 2026
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Overview
Röhm is one of the world's leading manufacturers in the field of methacrylate chemistry and supplies customers in fast-growing markets including the automotive, construction, and medical technology industries. It serves a global market with its MERACRYL® methacrylates and PMMA molding compounds under the PLEXIGLAS®/ACRYLITE® brand, with around 2,700 employees worldwide and production and research sites across Europe, North America, and China. The company was founded on September 6, 1907 by Dr. Otto Röhm and businessman Otto Haas as Röhm & Haas OHG in Esslingen, Germany. Its four integrated business units form a production network along the whole value chain: the Bulk Monomers Business Unit upstream, and the Molding Compounds, Methacrylate Resins, and CyPlus Technologies business units downstream.
History
On September 6, 1907, Dr. Otto Röhm and businessman Otto Haas founded the company Röhm & Haas OHG in Esslingen, Germany. Since then, the company has stood for competence, experience and innovation in methacrylate chemistry. In the 1930s, company founder and namesake, the chemist Otto Röhm, succeeded in polymerizing methyl methacrylate on an industrial level for the first time; the result was a new kind of transparent plastic that opened up a whole world of applications, which Röhm registered as a trademark.
Products and positioning
One of the world's leading manufacturers in the field of methacrylate chemistry.
PLEXIGLAS®
Röhm's branded polymethyl methacrylate (PMMA), used for transparent and colored components such as lamp covers, light guides, lenses, decorative trims, and exterior body parts.
ACRYLITE®
Röhm's polymethyl methacrylate (PMMA) products in the Americas; ACRYLITE® SunResist is a capstock technology under the ACRYLITE® brand.
MERACRYL®
Röhm's methacrylates brand.
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