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Insulating Fire Bricks

Price 0.50 USD ($)/ Piece

Get a Price/Quote

MOQ : 500 Pieces

Insulating Fire Bricks Specification

Purity(%)
Alumina: 3045%

Melting Point
1780C

Density
1.2 Gram per cubic centimeter(g/cm3)

Application
Furnace insulation, Kilns, Fireplaces, Metal Industry, Chemical Plants

Hardness (%)
60 70%

Form
Solid brick

Chemical Composition
Alumina-Silicate

Surface Finish
Smooth/matt

Water Absorption
3550%

Usage & Applications
Ideal for thermal insulation in industrial furnaces and kilns

Product Type
Refractories

Types of Refractories
Insulating Refractory Brick

Shape
Rectangular brick

Porosity
High

Dimensional Stability
Excellent at high temperatures

Strength
Cold Crushing Strength: 15-35 kg/cm

Specific Gravity
1.3 1.5

Thermal Conductivity
Low, typically 0.20.45 W/mK

Color
Light cream/white

Thermal Expansion
Low

Insulation Rating
Highly energy efficient

Compressibility
Rigid

Fire Resistance
Excellent resistance to thermal shocks

Bulk Density
0.91.2 g/cm

Shelf Life
Unlimited when stored dry

Packing
Shrink-wrapped or carton box

Acid Resistance
Resistant to common acids

Size
Standard: 230 x 114 x 76 mm (custom sizes available)

Manufacturing Method
Pressed and fired

Service Temperature
Up to 1200C

Flexural Strength
7 kg/cm

Insulating Fire Bricks Trade Information

Minimum Order Quantity
500 Pieces

FOB Port
Mundra

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

Supply Ability
5000 Pieces Per Month

Delivery Time
12 Days

Sample Available
Yes

Sample Policy
Free samples are available

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

About Insulating Fire Bricks

Insulating Fire Bricks

Insulating Fire Bricks offered by our company, are designed and manufacturing by making use of premium grade of raw materials and latest technology. These bricks provide superior insulation to dense firebricks but are structurally much weaker. These bricks have good structural strength and can be used in any high temperature. Insulating Fire Bricks can withstand extremely high temperature applications and has a low thermal conductivity. These bricks are very effective as well as economical and widely used in the market.

Superior Thermal Insulation for Industrial Applications

These insulating fire bricks deliver outstanding performance in high-temperature environments, such as furnaces, kilns, and fireplaces. Their high alumina content and robust manufacturing process ensure low thermal conductivity, making them highly energy efficient. Their light cream or white color indicates purity, and high porosity further enhances insulation efficiency while resisting thermal shocks and maintaining structural integrity under stress.

Versatile and Durable Construction Material

Engineered with a blend of alumina and silicate, these bricks are pressed, fired, and shaped to provide utmost durability and chemical resistance. With a specific gravity of 1.3 - 1.5 and cold crushing strength of 15-35 kg/cm2, they are capable of withstanding frequent thermal cycling. Their rigid and dimensional stability at elevated temperatures enables reliable, long-term use in diverse industrial applications.

FAQ's of Insulating Fire Bricks:

Q: How do insulating fire bricks contribute to energy efficiency in industrial settings?

A: These bricks have low thermal conductivity (typically 0.2-0.45 W/mK), which minimizes heat loss and maintains consistent temperatures within furnaces and kilns, resulting in significant energy savings during operation.

Q: What is the best process for installing these insulating fire bricks in a furnace or kiln?

A: Ensure the inner surface is clean and dry before installation. Position bricks tightly in place, using appropriate refractory mortar if required. Custom sizing is available for specialized layouts, and shrink-wrapped or carton packaging protects bricks during transport and storage.

Q: When should I consider using insulating fire bricks over dense fire bricks?

A: Opt for insulating fire bricks when the primary goal is to reduce heat loss and enhance energy efficiency, particularly in applications with service temperatures up to 1200C-such as kilns, furnaces, or fireplaces-where thermal insulation is crucial.

Q: Where can these insulating fire bricks be applied?

A: They are ideal for use in industrial furnaces, kilns, fireplaces, and metal or chemical processing plants. Their versatility and resistance to acids make them suitable for a broad range of high-temperature industrial environments.

Q: What benefits do these bricks offer in terms of durability and chemical resistance?

A: With a cold crushing strength of 15-35 kg/cm2 and resistance to common acids, these bricks provide long-lasting performance, even in demanding chemical or thermal environments, reducing maintenance needs.

Q: How does the brick's composition affect its performance at high temperatures?

A: The alumina-silicate composition and high purity (30-45% alumina) guarantee excellent dimensional stability, low thermal expansion, and outstanding resistance to thermal shocks while retaining strength at elevated temperatures.