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Mullite Bricks

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MOQ : 500 Pieces

Mullite Bricks Specification

Purity(%)
85-90%

Density
2.7 Gram per cubic centimeter(g/cm3)

Water Absorption
Below 5%

Form
Solid Brick

Application
Furnaces, kilns, incinerators, lining in glass and steel industries

Hardness (%)
72-78%

Usage & Applications
Lining of furnaces and kilns, glass tank furnaces, steel industry

Melting Point
Approximately 1850C to 1900C

Surface Finish
Smooth

Chemical Composition
Al2O3, SiO2

Product Type
Refractories

Types of Refractories
Acid Refractory

Shape
Rectangular, Brick Shape

Porosity
17-23%

Dimensional Stability
Excellent at high temperatures

Strength
High mechanical strength

Specific Gravity
2.6 - 2.8

Thermal Conductivity
Low

Color
Off White, Light Brown

Alumina Content
>70%

Packaging
Wooden pallets with plastic film wrapping

Refractoriness Under Load (RUL)
Approximately 1500C

Silica Content
25-28%

Thermal Expansion
Low

Size
230 114 65 mm (Standard), customizable

Resistance to Thermal Shock
Excellent

Bulk Density
2.552.7 g/cm

Cold Crushing Strength
>50 MPa

Service Temperature
Up to 1700C

Mullite Bricks Trade Information

Minimum Order Quantity
500 Pieces

FOB Port
Mundra

Payment Terms
Western Union, Letter of Credit (L/C), Telegraphic Transfer (T/T), Delivery Point (DP), Days after Acceptance (DA)

Supply Ability
5000 Pieces Per Month

Delivery Time
7-12 Days

Sample Available
Yes

Sample Policy
Free samples are available

Main Export Market(s)
Australia, Western Europe, Central America, Middle East, South America, Asia, Eastern Europe, North America, Africa

About Mullite Bricks

Mullite Bricks

Buy from us light in weight plain mullite bricks for use in furnace or kiln. The bricks produced in our company are used for creating lining of furnace. The bricks are thermally insulated and have low thermal conductivity, low heat capacity and high compression & temperature strength. Mullite is used in the production of these bricks, along with alumina. These acid and alkali erosion resistant bricks are demanded in building, ceramic, machinery, petrochemical, metallurgy and other industries.

High Temperature Stability

Mullite Bricks offer excellent stability at temperatures up to 1700C, making them suitable for use in furnaces, kilns, and reactors exposed to rapid heating and cooling cycles. Their low thermal conductivity and superior resistance to thermal shock ensure dependable performance in demanding industrial environments.

Customizable Dimensions and Packaging

Regardless of your project's requirements, these refractory bricks are available in the standard 230 114 65 mm size, but customization is possible to fit unique designs. For secure transport and storage, all bricks are carefully packed using wooden pallets with plastic film wrapping, ensuring integrity during shipment.

Premium Composition for Industrial Durability

Constructed primarily from high-purity alumina (over 70%) and silica, with controlled porosity and high mechanical strength, these bricks deliver enduring performance in harsh chemical and thermal conditions. Their smooth surface finish and controlled water absorption contribute to their longevity and reliability.

FAQ's of Mullite Bricks:

Q: How are Mullite Bricks typically used in industrial applications?

A: Mullite Bricks are extensively used to line furnaces, kilns, glass tank furnaces, and incinerators in industries such as steel, glass, and chemical processing, due to their high strength and resistance to extreme heat.

Q: What benefits do Mullite Bricks offer over other refractory materials?

A: These bricks provide excellent mechanical strength, low thermal expansion, and exceptional resistance to thermal shock, ensuring long service life and reliable performance at high temperatures up to 1700C.

Q: When should Mullite Bricks be chosen for furnace lining?

A: Mullite Bricks are ideal when high service temperatures, excellent thermal shock resistance, and a low rate of thermal expansion are essential for the process, particularly in furnaces and kilns that experience rapid temperature changes.

Q: Where can Mullite Bricks be installed?

A: They can be installed in various high-temperature environments, including industrial furnaces, kiln linings, incinerators, and inner linings for glass and steel-manufacturing units, wherever durability and high thermal resistance are required.

Q: What is the process for customizing Mullite Brick sizes?

A: Customers can request customization based on their application needs; manufacturers can alter brick dimensions while maintaining the same material properties and structural integrity, ensuring a tailored fit for any installation.

Q: How does the packaging ensure Mullite Bricks arrive undamaged?

A: Bricks are packed on sturdy wooden pallets with plastic film wrapping, providing protection against moisture and mechanical damage during transport and storage, which preserves their quality and structural performance.

Q: What key properties make Mullite Bricks beneficial in the steel and glass industries?

A: Their high alumina content, low porosity, strong mechanical strength, and excellent dimensional stability under thermal stress make them particularly advantageous in these sectors, ensuring reliable operations and reduced maintenance.