Qingdao Leadsun Refractory Co., Ltd
| Size | 230*114*65mm 230*114*75mm |
| Color | White or Pink |
| Package | Pallet |
| Shape | Customizable |
| Application | Furnace lining, heat insulation |
| Productname | High Alumina Insulation Brick |
| Refractoriness | 900-1500C |
| Density | 0.5-1.3g/cm3 |
| Payment Terms | L/C,D/P,T/T,Western Union |
| Supply Ability | 1000 tons/month |
| Delivery Time | 10-15days |
| Packaging Details | Pallet |
| Brand Name | LEADSUN |
| Model Number | LG0.5-1.2 |
| Certification | ISO |
| Place of Origin | CHINA |
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Product Specification
| Size | 230*114*65mm 230*114*75mm | Color | White or Pink |
| Package | Pallet | Shape | Customizable |
| Application | Furnace lining, heat insulation | Productname | High Alumina Insulation Brick |
| Refractoriness | 900-1500C | Density | 0.5-1.3g/cm3 |
| Payment Terms | L/C,D/P,T/T,Western Union | Supply Ability | 1000 tons/month |
| Delivery Time | 10-15days | Packaging Details | Pallet |
| Brand Name | LEADSUN | Model Number | LG0.5-1.2 |
| Certification | ISO | Place of Origin | CHINA |
| High Light | Light High Alumina Insulation Brick ，High Alumina Insulation Brick 230x114x65mm ，Furnace Insulating Refractory Brick | ||
Lightweight high alumina bricks, or high-alumina insulating bricks, are critical components for thermal insulation in industrial kilns and furnaces. Engineered to minimize heat loss and enhance energy efficiency, they typically contain over 48% Al₂O₃. Primarily serving as backup insulation, they are installed behind the primary furnace wall, shielded from direct exposure to peak temperatures. This refractory material combines high compressive strength with low thermal conductivity to deliver reliable and effective thermal insulation.
| Brand | ||||||
| Items | LG-1.2 | LG-1.0 | LG-0.8 | LG-0.7 | LG-0.6 | LG-0.5 |
| Al2O3 % | ≥48 | ≥48 | ≥48 | ≥48 | ≥48 | ≥48 |
| Fe2O3 % | ≤2 | ≤2 | ≤2 | ≤2 | ≤2 | ≤2 |
| Bulk Density g/cm3 | ≤1.2 | ≤1.0 | ≤0.8 | ≤0.7 | ≤0.6 | ≤0.5 |
| Cold Crush Strength,MPa | ≥4.5 | ≥4.0 | ≥3.0 | ≥2.5 | ≥2.0 | ≥1.5 |
| Permanent Linear Change Rate,% | 1400℃*12h ≤2 | 1400℃*12h ≤2 | 1400℃*12h ≤2 | 1350℃*12h ≤2 | 1350℃*12h ≤2 | 1250℃*12h≤2 |
| Thermal Conductivity W/(m·K) 350±25℃ |
≤0.55 | ≤0.50 | ≤0.35 | ≤0.35 | ≤0.30 | ≤0.25 |
Lightweight high alumina bricks are strategically positioned in the insulating layer of a composite refractory lining system. Their role is critical in:
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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