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High Alumina Refractory Brick with Corrosion Resistance, Thermal Stability, and Extreme Heat Resistance

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Qingdao Leadsun Refractory Co., Ltd

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High Alumina Refractory Brick with Corrosion Resistance, Thermal Stability, and Extreme Heat Resistance

Name: High Alumina Refractory Brick with Corrosion Resistance Thermal Stability and Extreme Heat Resistance
Brand: LEADSUN
Price: 0.45 USD

$Quality High Alumina Refractory Brick with Corrosion Resistance, Thermal Stability, and Extreme Heat Resistance wholesale$ $Quality High Alumina Refractory Brick with Corrosion Resistance, Thermal Stability, and Extreme Heat Resistance wholesale$ $Quality High Alumina Refractory Brick with Corrosion Resistance, Thermal Stability, and Extreme Heat Resistance wholesale$

Brand Name : LEADSUN

Model Number : High Alumina Brick REFRACTORY BRICK

Certification : ISO CE

Place of Origin : China

MOQ : 500pcs

Price : 0.45-2.5usd/pc

Payment Terms : L/C,D/P,T/T,Western Union

Supply Ability : 10000 tons/month

Delivery Time : 10 -15 days

Packaging Details : pallets

Color : White, light gray, or off-white

Productname : Insulation Refractory Bricks

Processing Service : Welding, Cutting, Moulding

Packing : Standard Wooden Pallet

Refractoriness : 1300-1800C

Size : 230*114*65mm 230*114*75mm 230*114*65/55mm 230*114*65/45mm

Density : 2.1-2.7g/cm3

Package : Pallet

Shape : Customizable

Al2O3 : 35-80%

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SK30 SK32 SK34 SK36 High Alumina Brick - Excellent Thermal Stability & Corrosion Resistance for Extreme Heat

Product Overview

Our High Alumina Brick is manufactured using carefully selected bauxite chamotte and advanced production technology, delivering outstanding performance in environments up to 1850°C. With its high alumina content and excellent mechanical properties, it is the preferred choice for demanding industrial furnaces and kilns.

Performance Advantages

Corrosion Resistance: Highly resistant to acidic and basic slags
Abrasion Resistance: Ideal for high-wear zones in rotary kilns and cyclones
Thermal Shock Resistance: Maintains structural integrity under rapid temperature changes
Customizable Shapes: Available in standard and tailored dimensions

Technical Specifications

Item	HA60	HA70	HA75	HA80
AL₂O₃ (%)	≥60	≥70	≥75	≥80
SiO₂ (%)	32	22	20	≥18
Fe₂O₃ (%)	≤2.5	≤2.0	≤1.8	≤1.5
Refractoriness (°C)	≥1750	≥1780	≥1800	≥1850
Bulk Density (g/cm³)	2.35-2.4	2.45-2.5	2.5-2.55	2.75-2.8
Softening Temperature Under Load	≥1450	≥1510	≥1520	≥1600
Apparent Porosity (%)	≤24	≤23	≤21	≤18
Cold Crushing Strength (MPa)	≥45	≥50	≥60	≥85

$High Alumina Refractory Brick with Corrosion Resistance, Thermal Stability, and Extreme Heat Resistance$

Support & Services

Comprehensive technical consultation and installation support
Custom formulation and sizing available
Prompt delivery with secure, moisture-proof packaging

$High Alumina Refractory Brick with Corrosion Resistance, Thermal Stability, and Extreme Heat Resistance$

Applications

Steel furnaces and ladles
Cement and ceramic rotary kilns
Glass melting furnaces and regenerators
Non-ferrous metal smelting equipment
High-temperature incinerators and petrochemical reactors

$High Alumina Refractory Brick with Corrosion Resistance, Thermal Stability, and Extreme Heat Resistance$

Why Choose Our High Alumina Bricks?

We combine rigorous quality control with decades of refractory expertise to deliver bricks that extend furnace life, reduce downtime, and improve operational efficiency. Our products are trusted globally in steel, cement, glass, and metallurgical industries.

Key Features

Ultra-High Alumina Content

Ensures superior refractoriness and structural integrity

Excellent Thermal Stability

Under load, with a softening temperature exceeding 1600°C

Low Apparent Porosity

Enhances resistance to slag penetration and chemical erosion

High Mechanical Strength

Cold crushing strength ≥85 MPa for long service life

Optimized Thermal Conductivity

Balances insulation and thermal efficiency

$Quality High Alumina Refractory Brick with Corrosion Resistance, Thermal Stability, and Extreme Heat Resistance wholesale$

High Alumina Refractory Brick with Corrosion Resistance, Thermal Stability, and Extreme Heat Resistance Images

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