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.
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.
High-purity bloomery steel with a carbon content of 0,8-1,2%. Very low levels of phosphorus and sulfur. Identical in quality and purity to Japanese Tamahagane.