Corundum brick

Related Categories:Refractory

Product Detailed

1,Corundum brick
2,Widely used as linings in decomposing furnaces for petroleum
3,as well as chemical fertilizer industry

Corundum brick

Characteristics:2, CO gases at use.
Applications: Widely used as linings in decomposing furnaces for petroleum and chemical industry, as well as chemical fertilizer industry. They also used as high temperature kiln linings and furniture’s in metallurgical industry.

Chemical and Physical Properties of Corundum Products

Name Indexes Items		High purity corundum bricks DL-98	Normal corundum bricks DL-95	Normal corundum bricks DL-90	Mullite corundum Bricks MDL-80	Chromium oxide corundum Bricks GDL-85
Chemical composition	Al2O3%	98.5	95	90	80	85
	Cr2O3%
	SiO2%	0.3	3.0	9.0	18	0.2
	Fe2O3%	0.2	0.2	0.5	0.5	0.2
	R2O%	0.3	0.6	0.6	0.4	0.5
Bulk density g/cm3		3.0	2.9	2.9	2.7	3.1
Compressive strength at normal temperature MPa		75	100	100	60	80
Fire resistant °C		1790	1790	1790	1790	1790
Soften point at 0.2 MPa load KD °C		1700	1650	1650	1700	1700
Reheating linear shrinkages% 1600 °C ×3h		0.2	0.2	0.2	0.3	0.2
Thermal shock stability 1100 °C water		6	10	10	20	15

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