Refractory Manufacturer Price Steel Plant Fire Burner Corundum Brick

Min.Order: 1,000

Product origin: Pingxiang, Jiangxi, China

Infringement complaint:

Complaint

US$ 1 ~ 12

Description

Corundum Brick of refractory product with corundum

Corundum Brick

Corundum Brick is a kind of refractory product with corundum as the main crystal phase and contains over 90% aluminium oxide content. Corundum fire bricks have very high cold crushing strength that can reach up to 340MPa and high apparent initial softening temperature that is over 1700ºC. Corundum refractory brick can be used in blast furnace, hot blast stove, glass furnace and etc.

Corundum Brick Sales

Corundum Brick sales is quality high temperature refractory product. It has high refractoriness and good chemical stability. Because it is manufactured with corundum as the principal crystalline phase and contain more than 90% alumina content. Corundum can resist acid and alkaline slag erosion, and also the metal and glass liquid strongly.

Properties of Corundum Fire Bricks

High temperature resistance
High compression strength
High dense structure
Good thermal shock resistance
Strong resistance to acid and alkaline slag erosion
Good chemical stability
Good resistance to metal and glass liquid

Application of Corundum Refractory Brick

Blast Furnace
Hot Blast Stove
Refining Furnace
Glass Furnace
Petrochemical Industrial Furnaces
All kinds of high temperature kiln lining in metallurgical industry

Two Types Corundum Refractory Bricks

Corundum Brick includes two types of Sintered Corundum Brick and Fused Cast Corundum Brick.

Sintered Corundum Brick adopts sintered alumina as the raw material through sintering process.
Fused Cast AZS Brick can be made of fused alumina as the raw material through process method of sintering.
And also can use phosphoric acid or other adhesive to make Unburnt Corundum Brick.

Corundum Fire Brick Manufacturing Process

Corundum Bricks include Fused Cast Corundum Brick, Fused Alumina Corundum Brick and Sintered Corundum Brick. Fused Cast Corundum Brick is manufactured with commercial alumina and little sodium carbonate and quartz powder fusing in the quartz powder and through process of casting and annealing, and then form the shape and size through machining.
Fused Alumina Corundum Brick is made of fused alumina particle and fines adding little fireclay and binding agent through molding by brick machine after mulling. The density of green brick is about 2.75~2.85g/cm3. After drying the bricks are fired in the temperature of 1700~1800ºC.

Physical and Chemical Index of Corundum Brick

Item	Unit	High Purity Corundum Brick	Common Corundum Brick	Common Corundum Brick	Mullite Corundum Brick	Chrome Corundum Brick
		DL-98	DL-95	DL-90	MDL-80	GDL-85
Al2O3 ≥	%	98.5	95	90	80	85
SiO2 ≤	%	0.3	3.0	9.0	18	0.2
Fe2O3 ≤	%	0.2	0.2	0.5	0.5	0.2
R20 ≤	%	0.3	0.6	0.6	0.4	0.5
Bulk Density ≥	g/cm3	3.0	2.9	2.9	2.7	3.1
Cold Crushing Strength ≥	MPa	75	100	100	60	80
Refractoriness ≥	ºC	1790	1790	1790	1790	1790
Deformation Temperature 0.2MPa ≥	ºC	1700	1650	1650	1700	1700
Linear Change On Reheating 1600*3h ≤	%	0.2	0.2	0.2	0.3	0.2
Thermal Stability (1100ºC) ≥	Times	6	10	10	20	15

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