Sintered refractory corundum fire brick

Sintered refractory corundum fire brick 1). Al2O3 up 80% 2). Bulk density: Up 3.0% 3). High strength, wear-resisting, etc.

Sintered refractory corundum fire brick

1.Features:

  Fine performance at high temperature, high bulk density, high strength, wear-  resisting, erosion of acid and alkaline resistance. 

2.Application: 

       It is mainly used as working lining in the petrochem gasifier, Carbon black reactor (Calcium carbide furnace use brown fused alumina, door brick), ceramic refractory etc. high temperature furnace, etc. 

3.Properties:

ITEM	UNIT	WHITE CORUNDUM  BRICK	BROWN ALUMINA  BRICK	YELLOW ALUMINA BRICK	COMPOUND ALUMINA BRICK
Al2O3	%	90~98	80~90	80~90	≥85
SiC	%	--	--	--	≥10
SiO2	%	--	--	10	3
Fe2O3	%	0.5	0.5-1.0	<1	<1
Porosity	%	19~23	17~22	18~23	>18
R.U.L	°C	1500~1700	1500~1700	1500~1600	>1650
Refractory	°C	1790	1790	1790	1790
C.C.S.	MPa	80~95	60-65	65-80	≥85
B.D.	g/cm3	3.0-3.3	3.0-3.2	>3.0	≥3.0
P.L.C	%(°C×h)	±0.31600×3	±0.31550×3	±0.31550×3	±0.21600×3

Sintered refractory corundum fire brick