Ceramic product based on aluminium-lithium silicate, process of its preparation and use

摘要

A ceramic product containing at least 70% lithium aluminium silicate of 100% total mass weight percent; and a non-wetting agent in the form of barium sulphate. Most preferably, the lithium aluminium silicate includes petalite in finely divided form which has been fired to a temperature between 1150° C. and 1210° C.