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China factory - Qingdao Leadsun Refractory Co., Ltd

Qingdao Leadsun Refractory Co., Ltd

  • China,Qingdao
  • Verified Supplier
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  3. Customizable High Alumina Brick with 55%-85% Al2O3 for Industrial Furnaces and
China Customizable High Alumina Brick with 55%-85% Al2O3 for Industrial Furnaces and
China Customizable High Alumina Brick with 55%-85% Al2O3 for Industrial Furnaces and

  1. China Customizable High Alumina Brick with 55%-85% Al2O3 for Industrial Furnaces and
  2. China Customizable High Alumina Brick with 55%-85% Al2O3 for Industrial Furnaces and
  3. China Customizable High Alumina Brick with 55%-85% Al2O3 for Industrial Furnaces and
  4. China Customizable High Alumina Brick with 55%-85% Al2O3 for Industrial Furnaces and

Customizable High Alumina Brick with 55%-85% Al2O3 for Industrial Furnaces and

  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 100tons/week
Delivery Time 10-15DAYS
Packaging Details Pallet
Size 230*114*65mm 230*114*75mm
Al2O3 Content 55% - 85%
Density 2.1-2.7g/cm3
Refractoriness 1300-1800C
Package Pallet
Shape Customizable
Al2O3 35-80%
Brand Name Leadsun
Model Number HA60 HA70 HA75 HA80 or SK36 SK37 SK38 SK40
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 100tons/week
Delivery Time 10-15DAYS Packaging Details Pallet
Size 230*114*65mm 230*114*75mm Al2O3 Content 55% - 85%
Density 2.1-2.7g/cm3 Refractoriness 1300-1800C
Package Pallet Shape Customizable
Al2O3 35-80% Brand Name Leadsun
Model Number HA60 HA70 HA75 HA80 or SK36 SK37 SK38 SK40 Place of Origin CHINA
High Light Customizable High Alumina Brick 55%-85% Al2O3 ，Industrial Furnace High Alumina Brick 1850°C Resistant ，High Alumina Kiln Brick with Customization
Customizable High Alumina Brick with 55%-85% Al₂O₃
Leadsun high alumina bricks are engineered for industrial furnaces, steel ladle linings, and kiln applications. Manufactured with selected bauxite chamotte using advanced processes and strict quality control, these bricks deliver exceptional performance in demanding thermal environments.
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 (°C) ≥1450 ≥1510 ≥1520 ≥1600
Apparent Porosity (%) ≤24 ≤23 ≤21 ≤18
Cold Crushing Strength (MPa) ≥45 ≥50 ≥60 ≥85
Key Advantages
Low Iron Content: Minimal iron oxide impurities (<2%) prevent unwanted reactions and discoloration at high temperatures.
High Temperature Resistance: Withstands extreme temperatures up to 1750°C or higher, maintaining structural integrity.
Excellent Erosion Resistance: Superior resistance to chemical erosion and slag corrosion in acidic or alkaline environments.
Optimal Bulk Density: Dense structure (2.5-3.0 g/cm³) enhances mechanical strength, load-bearing capacity, and thermal conductivity.
Applications
  • Steel furnaces
  • Glass kilns
  • Iron making furnaces
  • Cement kilns
  • Ceramic tunnel kilns
Product Features
  • Available in standard form, normal standard, shaped and special shaped bricks
  • Long service life with easy operation and flexible shaping capabilities
  • Low thermal conductivity with excellent thermal insulation performance
  • Versatile use across various kilns with cost-effective general tray packaging
Product Gallery
High alumina brick product overview showing material structure and texture Technical diagram illustrating high alumina brick specifications and composition High alumina bricks installed in industrial furnace application Close-up view of high alumina brick surface and edges High alumina brick manufacturing process and production Quality inspection of high alumina bricks for dimensional accuracy

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

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

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