70% High Alumina Refractory Fire Bricks

Name: 70% High Alumina Refractory Fire Bricks
Brand: MAA KALYANESHWARI REFRACTORIES
Price: 100 INR
Availability: InStock

Price 100 INR/ Piece

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MOQ : 50 Pieces

70% High Alumina Refractory Fire Bricks Specification

Material
Alumina

Shape
Rectangular

AI2O3(%)
70%

Fe2O3 (%)
Below 2.5%

Refractoriness
1790C - 1850C

Characteristics
High thermal resistance, excellent mechanical strength, corrosion and abrasion resistant

Color
Yellow Brown White

Standard/Grade
IS 6 / IS 8

Porosity
18-20%

Thermal Conductivity
1.2 W/mK at 1000°C

Application
Steel furnaces, cement kilns, glass furnaces, incinerators, lime kilns, and other high-temperature industrial equipment

Cold Crushing Strength
>60 MPa

Maximum Operating Temperature
1700°C

Size (L x W x H)
230 mm x 114 mm x 76 mm (standard)

Bulk Density
2.4 - 2.5 g/cm³

Water Absorption
Less than 6%

70% High Alumina Refractory Fire Bricks Trade Information

Minimum Order Quantity
50 Pieces

Delivery Time
10 Days

Main Domestic Market
All India

About 70% High Alumina Refractory Fire Bricks

70% High Alumina Refractory Fire Bricks are made to withstand heavy loads, shear forces, impacts, and other degrading factors. These fire bricks are made up of top-notch raw material with the help of pioneering in-house tools and techniques. These are typically used in heavy-duty building and construction works. The fire bricks can withstand heat, fire, and high temperatures. Owing to their longevity and ruggedness, we are seeing a huge demand for the 70% High Alumina Refractory Fire Bricks in the marketplace.

Product details

Material	Alumina
Size	9x4.5x3 Inch
Usage/Application	Furnace
Color	Yellow Brown White
Shape	Rectangular

Exceptional Thermal Performance

With a maximum operating temperature of 1700C and refractoriness up to 1850C, these high alumina fire bricks guarantee sustained reliability in demanding heat-intensive applications. Their composition provides stability, ensuring stringent safety standards for industrial facilities.

Superior Mechanical Strength and Durability

Engineered to deliver cold crushing strength above 60 MPa and bulk density between 2.42.5 g/cm, these bricks withstand heavy loads and wear. The combination of corrosion and abrasion resistance makes them a preferred choice for aggressive kiln and furnace environments.

Versatile Industrial Applications

Suitable for steel, glass, cement, lime kilns, and incinerators, these bricks cater to a broad spectrum of industries. Their standard sizes, high alumina content, and IS 6/IS 8 grade guarantee operational reliability and compatibility in various configurations.

FAQs of 70% High Alumina Refractory Fire Bricks:

Q: How should 70% High Alumina Refractory Fire Bricks be installed in industrial furnaces?

A: Installation involves proper alignment and jointing using high alumina refractory mortars. Bricks are placed with minimal gaps to maximize thermal insulation and structural integrity, ensuring optimal performance in furnaces and kilns.

Q: What makes these fire bricks suitable for steel furnaces and cement kilns?

A: Their high alumina content (70%), superior thermal resistance, and cold crushing strength above 60 MPa provide excellent durability and heat tolerance. This makes them ideal for steel and cement industries that require materials capable of withstanding aggressive operating conditions.

Q: When should I consider replacing my refractory bricks with high alumina fire bricks?

A: Replacement is recommended when existing bricks show signs of erosion, cracking, or reduced heat insulation. High alumina fire bricks offer longer lifespan and better resistance, making them an optimal choice when upgrading furnace linings.

Q: Where are these bricks typically used within high-temperature industrial equipment?

A: They are commonly used in the lining of steel furnaces, cement kilns, glass furnaces, lime kilns, and incinerators. Their shape and size make them adaptable for various structural configurations and critical hot zones.

Q: What is the process for manufacturing these 70% High Alumina Refractory Fire Bricks?

A: The manufacturing process involves blending alumina-rich materials, forming bricks under high pressure, and firing at temperatures exceeding 1400C. This ensures consistent properties such as bulk density, mechanical strength, and refractoriness.

Q: What benefits do these fire bricks offer over conventional refractory bricks?

A: These high alumina refractory bricks deliver enhanced thermal stability, higher mechanical strength, greater corrosion and abrasion resistance, and lower water absorption, leading to improved operational efficiency and reduced maintenance costs.

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