Our fused cast AZS#33 block has dense micro structure which ensures its good resistance in glass liquid. It is widely applied to glass furnace for superstructure, working pool side wall, paving blocks, feeder channels, tank bottoms, c-shaped block and doghouse crown,etc. AZS#33-PT NORMAL FILLING Normal Filling (PT) fused cast AZS#33 block is most widely used in working end, feeder channel, superstructure and top crown parts. Recommended Application: superstructure, working end and feeder channel .etc. Shapes and Size: � It can be made into different shapes and sizes,� such as feeder channel bricks, peephole, tuck stone, crown , blast nozzle bricks. AZS#33-QX ORIENTED CAVITY Oriented Cavity ( QX ) AZS 33# block is most widely used in glass melting furnace side wall part . AZS#33-WS VOID FREE Void Free (WS ) AZS-33 # block is most widely used in sidewall, tank bottom, feeder channel, c-shaped bricks, Doghouse crown, superstructure .