Zhengzhou Zhongkeda Refractory Materials Co., Ltd

Silica Mullite Brick for Cement Rotary Kiln

Wear Resistant Refractory Solution for High Abrasion and Thermal Shock Conditions

Product Introduction

Silica Mullite Brick is a high-performance refractory brick based on alumina-silica materials with silicon carbide addition.

It combines the advantages of mullite structure and silicon carbide characteristics, providing excellent wear resistance, thermal shock resistance and corrosion resistance.

Due to its outstanding performance under harsh operating conditions, silica mullite brick is widely used in cement rotary kilns, especially in areas exposed to clinker abrasion and temperature fluctuations.

Product Advantages

Applications of Silica Mullite Brick in Cement Rotary Kiln

Technical Date

Item		GM1680	GM1650	GM1550
Al₂O₃(%)	≥	65	63	60
Bulk Density (g/cm³）	≥	2.65	2.60	2.55
Apparent porosity (%)	≤	17	17	19
Cold crushing strength (Mpa)	≥	100	90	70
Refractoriness Under Load T0.6/℃	≥	1680	1650	1550
Thermal Shock Resistance（1100℃ water cooling)/Times	≥	10	10	12
Cold Abrasion Resistance/(cm³)	≥	5
Permanent Linear Change	%	Actual measured data shall be provided
Note: The test temperature for thermal expansion rate shall be agreed upon by the supplier and the buyer.

Manufacturing Capability

Silica Mullite Brick Manufactured by Our Factory

As a professional refractory brick manufacturer, we control the complete production process.

We provide:

✔ Customized sizes

✔ Stable product quality

✔ Professional export packing

✔ Technical support

FAQ
Q1:What is silica mullite brick used for?

A1:Silica mullite brick is mainly used in cement rotary kilns, especially in high-wear areas such as transition zones, cooling zones and kiln inlet areas. It is also suitable for industrial furnaces requiring high wear resistance and thermal stability.

 

Q2:Why is silica mullite brick used in cement rotary kilns?

A2:Cement rotary kilns are exposed to clinker abrasion, alkali corrosion and repeated temperature changes. Silica mullite brick provides better wear resistance and thermal shock resistance compared with many conventional refractory bricks, helping extend lining service life.

 
Q3:What is the difference between silica mullite brick and high alumina brick?

A3:Silica mullite brick contains mullite and silicon carbide phases, providing higher wear resistance and better thermal shock resistance. High alumina brick is widely used as a general refractory material, while silica mullite brick is more suitable for severe abrasion areas.

 

Q4:What are the main advantages of silica mullite brick?

A4:The main advantages include:

• Excellent wear resistance

• Good thermal shock resistance

• Resistance to alkali and clinker corrosion

• High hot strength

• Long service life under harsh conditions

Q5:Can you manufacture customized silica mullite bricks?

A5:Yes. We can produce customized silica mullite bricks according to customer requirements, including brick size, shape, chemical composition and application conditions.

 

Q6:What information is needed for a silica mullite brick quotation?

A6:To provide a suitable quotation, please share:

     • Kiln type and application area

     • Required brick size

     • Quantity

     • Current refractory problem (wear, corrosion, thermal shock, etc.)

Our engineers can recommend a suitable refractory solution.

 

Q7:Are you a silica mullite brick manufacturer or trading company?

A7:We are a professional refractory manufacturer with production capability for silica mullite bricks and other refractory materials. We provide factory-direct supply, customized production and export service.