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Qingdao Leadsun Refractory Co., Ltd

  • China,Qingdao
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China High Alumina Brick Excellent Thermal Stability Corrosion Resistance for Extreme
China High Alumina Brick Excellent Thermal Stability Corrosion Resistance for Extreme

  1. China High Alumina Brick Excellent Thermal Stability Corrosion Resistance for Extreme
  2. China High Alumina Brick Excellent Thermal Stability Corrosion Resistance for Extreme
  3. China High Alumina Brick Excellent Thermal Stability Corrosion Resistance for Extreme

High Alumina Brick Excellent Thermal Stability Corrosion Resistance for Extreme

  1. MOQ: 500pcs
  2. Price: 0.75-1.0usd/pcs
  3. Get Latest Price
Payment Terms L/C,D/P,T/T,Western Union
Supply Ability 10000 pallets/month
Delivery Time 10 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
Density 2.1-2.7g/cm3
Package Pallet
Shape Customizable
Al2O3 35-80%
Brand Name SUNWOOL
Model Number High Alumina Brick
Certification ISO CE
Place of Origin China

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms L/C,D/P,T/T,Western Union Supply Ability 10000 pallets/month
Delivery Time 10 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
Density 2.1-2.7g/cm3 Package Pallet
Shape Customizable Al2O3 35-80%
Brand Name SUNWOOL Model Number High Alumina Brick
Certification ISO CE Place of Origin China
High Light high alumina refractory brickthermal stability refractory brickcorrosion resistant insulation brick
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.

Technical data
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
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 with cold crushing strength ≥85 MPa for long service life
  • Optimized Thermal Conductivity balances insulation and thermal efficiency
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
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
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.

Support & Services:
  • Comprehensive technical consultation and installation support
  • Custom formulation and sizing available
  • Prompt delivery with secure, moisture-proof packaging

Company Details

Bronze Gleitlager

,

Bronze Sleeve Bushings

 and 

Graphite Plugged Bushings

 from Quality China Factory
  • Business Type:

    Distributor/Wholesaler,Exporter,Trading Company,Seller

  • Year Established:

    2014

  • Total Annual:

    3000000-5000000

  • Employee Number:

    5~20

  • Ecer Certification:

    Verified Supplier

Our products cover heavy & light shaped and unshaped refractories, and are widely used in power, steel & iron, non-ferrous, petrochemicals, building materials and other industries, and are exported to more than 30 countries and regions in Europe, America, Africa, Oceania, Southeast Asia... Our products cover heavy & light shaped and unshaped refractories, and are widely used in power, steel & iron, non-ferrous, petrochemicals, building materials and other industries, and are exported to more than 30 countries and regions in Europe, America, Africa, Oceania, Southeast Asia...

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Get in touch with us

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  • Qingdao Leadsun Refractory Co., Ltd
  • No. 700, Qingshan Road, Licang District, Qingdao, China
  • https://www.insulation-refractory.com/

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