Specifications

corundum mullite fireproof block:
1.Good thermal shork resistance
2.Good erosion resistance
3.High refractoriness

corundum mullite refractory fireproof block  

1.Good thermal shork resistance
2.Good erosion resistance
3.High refractoriness under load

 

Corundum Mullite Fire Brick for EAF roof Introduction:

Corundum Mullite Fire Bricks for EAF roof with selected bauxite chamotte, being pressed and sintered. 

The main mineral components are corundum and mullite phases, mechanical and chemical properties are very good.

 

Characteristics of fire brick:

Good thermal shork resistance, good erosion resistance, dimension more exactly, excellent high temperature mechanics 

and chemical corrosion resistance. 

 

Application:

Corundum Mullite Fire Bricks are mainly used in EAF roof, other furnace, glass kiln and ceramic tunnel kiln.

 

Physical and chemical index

Item		High purity corundum brick	Corundum brick	Mullite corundum
Chemical composition %	Al2O3	≥99	≥90	≥80
	SiO2	≤0.2	≤8	≤18
	Fe2O3	≤0.2	≤0.2	≤0.3
Apparent Porosity%		≤19	≤20	≤20
Bulk Density g/cm3		≥3.2	≥3	≥28
Cold Crushing Strength Mpa		≥100	≥100	≥100
0.2Mpa Refractoriness Under Load T0.6 °C		≥1700	≥1700	≥1700
Application		Primarily used for the key parts of the industrial furnace of steel, electronics, petrochemical, fertilizers, non-ferrous metals, refractory material, etc.