1834

Establishment of the first “plant” – a fireclay factory Chamottefabrik F. Didier was built in Podejuch (today’s Poland)

1881

Carl Spaeter discovers the magnesite deposit in Veitsch (Styria, Austria)

1888-89

Foundation of a refractories plant in Valenciennes, France and Baker Refractory in York

1920

Beginning of brick production in Valenciennes. Beginning of production in Kruft and Hagen, Germany

1939

Magnesita’s foundation after the discovery of magnesite deposits in Brumado, Brazil

1959-60

Veitscher Magnesitwerke establishes the R&D institute in Leoben, Austria

1959-60

1959-60 Beginning of Brick production in York, expansion of operations in Brazil

1970

Establishment of Magnesita’s R&D Center in Contagam

1987

Management buyout of the American General Refractories Co. – Radex Heraklith Industriebeteiligungs AG is created

1992

The Valenciennes and Flaumont plants are acquired by the Lhoist Group to become Lhoist Refractories

1995

Acquisition of majority stake in Didier-Werke AG

1998-99

Establishment of RHI AG

1998-99

Lhoist acquires Dolomitwerke Wülfrath resulting in the operating company called Wülfrath Refractories

2001

Lhoist acquires the Baker Group, bringing Wülfrath Refractories and the Baker Group under one company

2006

Rhone Capital acquires LWB

2006

Sale of Heraklith AG

2006-7

Acquisition of Clasil Refractories Ltd. First production footprint at Vizag in India

2013

Acquisition of Orient Refractories Ltd. with its Flow Control plant in Bhiwadi

2017

Merger of two leading refractory companies RHI and Magnesita to form RHI Magnesita

2019

Acquisition of Magnesia Carbon Bricks plant at Cuttack from Manishri Refractories

2021

Formation of RHI Magnesita India Ltd. with the merger of RHI Clasil, RHI India and Orient Refractories Setting up of an R&D Centre in India

2023

Integration of Dalmia OCL and the refractory business of Hi-Tech Chemicals with RHI Magnesita India

1834

1881

1888-89

1920

1939

1959-60

1959-60

1970

1987

1992

1995

1998-99

1998--99

2001

2006

2006

2006-7

2013

2017

2019

2021

2023