Corundum Mullite Brick for Heat Treatment and Ceramic Kilns

Product Description

Product Description

Corundum Mullite Brick is a high-performance refractory brick designed for industrial furnace linings operating under high temperature and severe thermal conditions.

By combining high-purity corundum and mullite, this brick offers excellent thermal shock resistance, strong mechanical strength, and stable volume performance, making it suitable for long-term furnace operation.

It is widely used in heat treatment furnaces, ceramic kilns, steel furnaces, and petrochemical heating units.

Features

High Temperature Resistance
Suitable for continuous service at high temperatures.
Excellent Thermal Shock Resistance
Withstands frequent heating and cooling cycles.
High Mechanical Strength
Strong resistance to abrasion and load.
Stable Volume Structure
Low permanent linear change after firing.
Reliable Furnace Lining Material
Ensures long service life and reduced maintenance.

Applications

Industrial Furnace Wall and Roof Lining
Heat Treatment Furnaces
Ceramic Kilns
Steel and Metallurgical Furnaces
Petrochemical Heating Furnaces

Brand  Properties		JC-98	JC-95	JC-90	JC-85
Chemical Composition (%)	Al2O3%	98.5	95	90	85
	SiO2%	0.3	3.0	9.0	18
	Fe2O3%	0.2	0.2	0.5	0.5
Apparent Porosity (%)		18	18	18	20
Bulk Density (g/cm3)		3.1	2.95	2.9	2.75
Cold Crushing Strength (MPa)		90	80	80	70
Refractoriness Under Load (ºC)		1700	1650	1650	1700
Permanent Linear Change (%)		0.1	0.2	0.2	0.3
Main Applications		Carbon reactor furnace                     Pertrochemical furnace                                   Industry ceramic kiln                         Refractory tunnel kiln                         Various high-temp Furnace

Q1: What is the maximum working temperature?
The maximum working temperature is up to 1700°C, depending on the selected grade and furnace conditions.

Q2: Is this brick suitable for industrial furnace lining?
Yes. Corundum Mullite Bricks are widely used for industrial furnace walls, roofs, and high-temperature zones.

Q3: Does it have good thermal shock resistance?
Yes. The corundum-mullite structure provides excellent resistance to rapid heating and cooling cycles.

Q4: Can you supply customized sizes or special shapes?
Yes. Custom dimensions and special-shaped bricks can be produced according to drawings or requirements.

Q5: How can I get an accurate quotation?
Please provide furnace type, working temperature, brick size, and quantity.
Our technical team will respond quickly with the most suitable recommendation