Coarse-ceramic moulding from the group of fireclay materials, alumina-rich materials and high-alumina materials, a process for its production and its use

摘要

Coarse-ceramic moulding from the group of fireclay materials, alumina-rich materials and high-alumina materials with a content of fireclay, bauxite and/or alumina, characterized by a microcrack system distributed essentially homogeneously in the microstructure of the moulding, process for producing such a moulding and its use.