Sintered mullite is widely used in many industrial fields because of its excellent high temperature performance, thermal shock resistance and chemical corrosion resistance. The following are its main uses:

I. Refractory materials

Sintered mullite is an important raw material for producing all kinds of refractories, which is widely used to manufacture high-temperature furnace lining, kiln furniture, castable and so on. Its high refractoriness (above 1790℃) and low thermal expansion coefficient make it an ideal refractory. For example:

High temperature furnace lining: used for lining of glass melting furnaces, ceramic sintering furnaces, petrochemical cracking furnaces and other equipment.

Kiln furniture: such as hot blast stove bricks, ceramic burner bricks, coke oven door lining bricks, etc.

Castable material: used as lining material for blast furnace hot blast stove and heating furnace.

II. Ceramics and Precision Casting

Sintered mullite is an ideal raw material for producing high-grade ceramic products and precision casting models. Its high purity and stable chemical properties make it outstanding in ceramic manufacturing, which can be used for:

Ceramic blank: such as high-grade sanitary ware blank.

Precision casting: used to make precision casting models to ensure the precision and quality of castings.

III. Petrochemical industry

In the field of petrochemical industry, sintered mullite is used to manufacture the lining and thermal insulation layer of high-temperature equipment, such as:

Cracking furnace: used for working lining of light diesel oil cracking furnace and ethane cracking furnace.

Waste heat boiler: used for the heat insulation layer of waste heat boiler of sintering machine and coke dry quenching device.

IV. Energy and electricity

Sintered mullite is also widely used in energy and power industry, such as:

Power plant boiler: used for wear-resistant layer of cyclone separator and heat insulation lining of return feeder.

Waste heat power generation: used as insulation layer of waste heat boiler.

V. Electronic and optical materials

Sintered mullite is used in electronic packaging and optical materials because of its low dielectric constant, low thermal expansion coefficient and good chemical stability;

Electronic package: used to prepare the capacitor of induction coil, the substrate bearing semiconductor devices and resistors.

Optical materials: used for high-temperature optical window materials and laser crystal materials.

VI. Thermal insulation materials

Sintered mullite has excellent thermal insulation performance, which can be used to manufacture lightweight thermal insulation bricks and thermal insulation layers;

Insulating brick: Used for lining and insulation of high-temperature kilns to reduce energy consumption.

Composite thermal insulation material: it is compounded with silica aerogel and other materials for efficient thermal insulation.

VII. Other applications

Filtration and adsorption materials: used to prepare water-oil separation filtration membranes and porous ceramics, with good filtration and adsorption properties.

Building materials: used to prepare ceramic application materials, microcrystals, etc.

With its excellent performance, sintered mullite has an irreplaceable position in high-temperature industry and is widely used in many fields, providing reliable material guarantee for industrial production.