Qingdao Leadsun Refractory Co., Ltd
| Payment Terms | T/T,L/C,D/P,Western Union |
| Supply Ability | 10000 pallets/month |
| Delivery Time | 10 days |
| Packaging Details | pallets |
| Material | Castable, Alumina Block, Mullite, glass wool, bauxite |
| Shape | Customizable |
| Application | Insulation,Refractory |
| Size | 230*114*65mm 230*114*75mm |
| Refractoriness | 1300-1800C |
| Density | 2.1-2.7g/cm3 |
| Package | Pallet |
| Al2O3 | 35-80% |
| Brand Name | Leadsun |
| Model Number | Fire Clay Brick |
| Certification | ISO CE |
| Place of Origin | China |
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Product Specification
| Payment Terms | T/T,L/C,D/P,Western Union | Supply Ability | 10000 pallets/month |
| Delivery Time | 10 days | Packaging Details | pallets |
| Material | Castable, Alumina Block, Mullite, glass wool, bauxite | Shape | Customizable |
| Application | Insulation,Refractory | Size | 230*114*65mm 230*114*75mm |
| Refractoriness | 1300-1800C | Density | 2.1-2.7g/cm3 |
| Package | Pallet | Al2O3 | 35-80% |
| Brand Name | Leadsun | Model Number | Fire Clay Brick |
| Certification | ISO CE | Place of Origin | China |
| High Light | Alumina fire clay brick ，fire clay brick Insulation ，Alumina clay brick Insulation | ||
Leadsun Refractory's Low Thermal Conductivity Fire Clay Brick 30-55% Alumina Insulation is engineered for superior thermal management and durability in high-temperature applications. Manufactured from high-quality flint clay with 30-55% alumina content and characterized by low iron and alkali, these bricks provide exceptional resistance to thermal shock, abrasion, and chemical attack. They are the most cost-effective and widely used solution for various industrial kilns and furnaces, ensuring extended service life and reliable performance.
| Item | SK-30 | SK-32 | SK-34 | SK-36 |
|---|---|---|---|---|
| AL2O3 % (min) | 30-35% | 35-38% | 38-42% | 50-55% |
| Fe2O3% (max) | 3 | 3 | 2.8 | 2.5 |
| Refractoriness | ≥1670°C | ≥1690°C | ≥1710°C | ≥1750°C |
| Refractoriness under load, 0.2MPa, (°C) | ≥1270 | ≥1350 | ≥1350 | ≥1430 |
| Apparent porosity (%) | 20-24 | 20-24 | 19-23 | 18-22 |
| Bulk density (g/cm³) | 2.00-2.05 | 2.05-2.1 | 2.1-2.15 | 2.15-2.25 |
| Cold crushing strength (MPa) | ≥25 | ≥30 | ≥35 | ≥45 |
| Thermal expansion at 1000°C (%) | ≤0.6 | ≤0.55 | ≤0.55 | ≤0.4 |
Our fire clay bricks are manufactured under strict quality control using selected raw materials to ensure consistent performance in extreme thermal conditions. With over a decade of experience in refractory solutions, we provide reliable products that enhance furnace life and reduce maintenance costs.
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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