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Magnifin Magnesia­produkte

Huber Advanced Materials in Breitenau, Austria
Our Breitenau location

Breitenau, Austria, is home to Magnifin, part of the Huber Advanced Materials business.

Magnifin is ISO certified

Magnifin Magnesia­produkte GmbH & Co KG manufactures a range of very high quality magnesium oxide and hydroxide powders, and special sodium silicates at its state-of-the-art plant in Breitenau near Graz in the south-east of Austria.


  • Magnifin® magnesium hydroxide
  • Ankermag® H magnesium hydroxide
  • Ankermag® B magnesium oxide
  • Ankerglas® sodium silicate
  • Ankersil® active silica

Where to find us in Breitenau

Further information


Magnifin, part of the Huber Advanced Materials business, built a magnesium oxide processing unit in its plant at Breitenau, Austria, in 1971. Thanks to a chemical recycling process, the company was able to use a magnesium-rich residue from dust separators to make pure magnesium oxide.

In the 1980s, extensive R&D work was carried out on the development of high-quality magnesium hydroxides for fire retardant and fine chemical applications. At the end of 1988, Magnifin signed a cooperation agreement with Martinswerk GmbH, the world’s leading supplier of aluminum hydroxide-based flame retardants.

The company opened its new magnesium hydroxide plant in September 1991. Fifteen years later, Magnifin doubled its production capacity. The current manufacturing program features magnesium hydroxide, magnesium oxide, sodium silicate and silica with a variety of specifications for customers throughout the world.


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