High Quality Refractoriness 30-80% Ceramic Corundum-mullite Brick

Specifications

Ceramic Corundum-Mullite Parts
1.Low weight,Low thermal conductivity;
2.High strength & corrosion resistance;
3.High quality

The No.1 Professional Manufacturer For Corundum & Mullite Serials Since Year 1964:

 

High Purity Ceramic Corundum-mullite Light Weight Insulation Brick,Tiles,Plate,Block,Special Parts Etc.Alumina Content 30-80% Or Do As Required

 

 

Descriptions:

 

The Corundum-Mullite Bricks,Tiles & Special Parts are made of high purity fused corundum and imported tabular alumina.After mixing,molding,drying and firing under high temperature in tunnel kiln,they have the advantage of high refractoriness,good thermal shock resistance,good strength under high temperature,good corrosion resistance,good slag resistance,small expansion factor,low creep and good strip resistance.Primarily are used for the key parts of the industrial furnaces of steel, electronics, petrochemical, fertilizers, non-ferrous metals, refractory materials and so on .The dimensions, physical and chemical indexes and service life have all achieved and surpassed the standards of similar products home and aboard.

 

 

Parameter:

 

Models		A-1	A-2	A-3	A-4	A-5
Classification Temperature (°C)		1260	1430	1540	1650	1760
Bulk Density (g/cm3)		0.55-0.60	0.78	0.88	1.03	1.25
Cold Crushing Strength (Mpa)		1.2	1.6	2.1	2.5	3.5
Modulus of Rupture (Mpa)		0.9	1.4	1.6	2.1	2.1
Reheating Linear Change (%)   CT-30 °CX 8H		1230°C -0.5	1400°C -0.5	1510°C -0.5	1620°C -0.9	1730°C -0.9
Thermal Expansion 1000°C(%)		0.5	0.7	0.8	0.9	1.1
Thermal conductivity(W/m.k)	400°C	0.14	0.27	0.32	0.41	0.49
	600°C	0.16	0.29	0.34	0.43	0.5
	800°C	0.18	0.31	0.36	0.44	0.51
	1000°C	0.20	0.33	0.38	0.45	0.53
Al2O3 (%)		37	58	67	73	77
Fe2O3 (%)		1.0	1.0	1.0	0.5	0.4

 

 

Our ISO Certificate:

 

 

 

Product Serials: