High Duty Fireclay Bricks are used to furnace linings in metallurgy, shaft and rotary furnaces for firing lime and cement, boilers, chimneys and other thermal aggregates exposed to abrasion, molten metals, slags and chemical impacts.
 
Acid Bricks are used to thermal aggregate linings where is requiring resistant to acid surroundings for example chimneys in power engineering, pickling line. Low Alumina Fireclay Brick  is used to electrolyzer permanent linings of aluminium production.