2016Revamping of last furnace with composite electrodes
2013/14 Revamping of two furnaces with composite electrodes
2011Revamping of one furnace with composite electrodes
2010Start-up of 3rd casting implement for the production of Silocast
2009Revamping of furnace No. 4 with new electrode system
2008Comissioning of another baghouse filter with 400.000 m³/h capacity
2004Improvement of the metal-transport by increasing the size of casting ladles
2002The production of “RW-Füller Q1” takes the demands of high grade Mikrosilica. Increase of the storage capacity for 250 m³
2001Start-up of two automatic raw material preparation plants
1999Start-up of a second baghouse with 400.000 m³/h. Increase of the production from 20.000 to 26.000 metric tons per year
1998Change from VAW aluminium AG to Graphit Kropfmühl AG on October 1st
1997Installation of tap hole de-dusting units to collect the fine dust
1995-1996Start-up of two casting machines for Silicon-Metal. The high grade product “Silcocast” is selled to the Chemical Industry for the production of silicones
1976Start-up of a filter baghouse to clean the off-gases (production of Silica-Fume) with a capacity of 800.000 m³/h
1969The production is more and more changed to Silicon Metal
1955Extension of the furnace building and start-up of a 4th furnace
1948-1951Start-up of three Ferrosilicon-furnaces with a total load of 17 MW
1947The Vereinigte Aluminiumwerke (VAW) get the permission to produce Ferrosilicon (FeSi 45/ 75/ 90), which is needed in steel production


RW silicium GmbH
Wöhlerstraße 30
94060 Pocking

Phone +49 (0)8531 / 702-0
Fax +49 (0)8531 / 702-90