Qingdao Leadsun Refractory Co., Ltd
| 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% |
| Brand Name | LEADSUN |
| Model Number | High Alumina Brick REFRACTORY BRICK |
| Certification | ISO CE |
| Place of Origin | China |
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Product Specification
| 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% |
| Brand Name | LEADSUN | Model Number | High Alumina Brick REFRACTORY BRICK |
| Certification | ISO CE | Place of Origin | China |
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.
| 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 |
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.
Company Details
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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