Refractory Fire Brick

Name: Refractory Fire Brick
Brand: SAI ENTERPRISES
Price: 58 INR
Availability: InStock

Price 58 INR/ Piece

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MOQ : 1000 Pieces

Refractory Fire Brick Specification

Material
Clay

Shape
Brick

AI2O3(%)
30 %

Fe2O3 (%)
2.5 %

Refractoriness
>1700C

Characteristics
Fire Resistant ; Size- 9x4x3 inch

Color
Brown

Water Absorption
18 %

Thermal Conductivity
0.8 W/mK

Packaging Type
Wooden Pallet or Carton Box

Application
Foundries, Boilers, Furnaces, Kilns

Compressive Strength
35 MPa

Service Temperature
Up to 1450C

Porosity
22 %

Bulk Density
2.1 g/cm

Refractory Fire Brick Trade Information

Minimum Order Quantity
1000 Pieces

Payment Terms
Cash Advance (CA)

Supply Ability
200000 Pieces Per Month

Delivery Time
7-15 Days

Main Domestic Market
All India

About Refractory Fire Brick

Being one of the reputed firms, the Sai Enterprises are betrothed in trading, wholesaling and supplying an enormous range of the 9x4x3 Inch Refractory Fire Brick. It is a block of ceramic material, extensively used in kilns, fireplaces, fireboxes, lining furnaces, etc. We are offering the range of the 9x4x3 Inch Refractory Fire Bricks in different sizes and at reasonable prices.

Specification

Usage/Application	Side Walls
Size	9 In. X 4 In. X 3 In.
Resistance Durability	Fire Resistant
Shape	Rectangular

Exceptional Thermal & Mechanical Performance

Designed to withstand rigorous industrial conditions, our refractory bricks maintain stability at high temperatures up to 1450C. The compressive strength of 35 MPa and low thermal conductivity of 0.8 W/mK help minimize heat loss, ensuring efficiency in applications like furnaces and kilns.

Quality Materials & Reliable Packaging

Formulated from quality clay with optimized Fe2O3 (2.5%) and Al2O3 (30%) composition, our fire bricks deliver consistent refractoriness above 1700C. Secure packaging in wooden pallets or carton boxes guarantees safe handling and transport, reducing damage during delivery.

FAQs of Refractory Fire Brick:

Q: How is the refractory fire brick used in industrial applications such as foundries or kilns?

A: Refractory fire bricks are installed as lining materials in high-temperature environments like foundries, boilers, furnaces, and kilns. They act as a protective barrier that maintains thermal insulation and structural strength under extreme operating conditions.

Q: What benefits does the 2.1 g/cm bulk density and 0.8 W/mK thermal conductivity offer?

A: A bulk density of 2.1 g/cm ensures that the brick maintains strength and stability, while the thermal conductivity of 0.8 W/mK helps minimize heat transfer, improving energy efficiency and reducing operational costs in industrial settings.

Q: When should these fire bricks be replaced or maintained in service environments?

A: Regular inspections are advised, with replacement recommended when signs of cracking, excessive erosion, or significant loss of compressive strength are observed. Appropriate maintenance extends brick lifespan and ensures continued efficiency.

Q: Where can these refractory bricks be sourced or delivered in India?

A: These fire bricks are supplied and traded across India, with packaging options like wooden pallets or carton boxes suitable for safe handling and transport to various industrial sites.

Q: What is the process of installing refractory fire bricks in furnaces or boilers?

A: Installation typically involves arranging bricks in the specified patterns to form the lining structure. Proper jointing and application are essential to achieve robust thermal sealing and structural integrity.

Q: How does high porosity and water absorption affect the performance of the bricks?

A: With a porosity of 22% and water absorption of 18%, the bricks balance thermal insulation and mechanical strength. These characteristics help manage heat distribution within the unit while withstanding operational moisture levels.

Q: What are the key advantages of using clay-based refractory fire bricks with >1700C refractoriness?

A: Clay-based bricks with refractoriness above 1700C offer enhanced fire resistance, durability, and cost-effectiveness, making them reliable for prolonged exposure to high-temperature environments.

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