CERAMIC COMPOSITIONS AND SUPPORTS FOR OBJECTS TO BE FIRED IN A KILN OR FURNACE

摘要

The present invention relates to ceramic compositions for kiln furniture on the basis of 35 wt.-% to 60 wt.-% cordierite; 20 wt.-% to 40 wt.-% mullite; andalusite and/or corundum in a combined amount of 1 wt.-% or more; wherein the combined amount of the mullite and andalusite and corundum in the ceramic is 23 wt.-% or more. The invention further relates to methods of producing such ceramics as well as furniture items for a kiln or furnace made of such compositions.