Light fire bricks with very good insulation effect and good mechanical strength. E.g. for the construction of doors and combustion chambers of gas fires.
Light fire bricks with extremely high temperature resistance, good insulating effect and very good resistance to mechanical stress. E.g. for the construction of melting furnaces.
Bloomery iron made from North German bog iron ore with a low carbon and high phosphorus content. For the production of historical "Damascus steel" or for the back or the sides of historical blades, edged weapons and tools.