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Quality Management

About us


Specialist for caustic calcined magnesite


Welcome to Styromag GmbH!

Since the beginning of the 20th Century we dig for Styrian Magnesite for further processing into caustic calcined magnesite (MgO) in our own mines. This caustic calcined magnesite is kilned soft (caustic) in fluidized bed ovens and multiple hearth furnaces. We have experience in Oberdorf for more than 100 years, and also sources and modern technology to work effectively and successfully for the next 100 years.

Our magnesite products

Our goal is to produce natural products, in turn, the nature or the natural needs of the people serve themselves:

Our current product divisions:

As a privately owned resource company we pursue the philosophy with our environment – not against the environment – with the people, with our customers, suppliers, employees and neighbours, in mutual respect and respecting ethic principles in order to have a long-term successful economy.

Styromag GmbH – mit einem herzlichen Glück Auf!

Dr. Ernst H. Stefan

Managing Partner