Specifications

Upper nozzle brick takes superior bauxite or cordundum as raw ,material especially strength their matrix

Upper nozzle brick

 

Upper nozzle brick takes superior bauxite or cordundum as raw material especially strength their ,matrix,shaped by high pressure,which have achived the international advanced level with .good anti-erosion,long service life and fine integration

 

Brand Specification	AlC75	AlC80	Al75	Zr80
Al2O3    ≥ %	75	80	94	-
ZrO2    ≥     %	-	-	-	92
C    ≥   %	4	4	-	-
Apparent porosity  ≤	8	7	15	9
Bulk density  g/cm3   ≥	2.90	2.95	2.95	3.05
Compressive strength (MPa) ≥	60	60	120	80
High temperature bending strength (MPa) (1400*0.5h) MPa ; ≥	6	7	15	20