Castable Refractory Bauxite High Alumina Content Low Iron Refractory Raw Material
Price:
Negotiable
MOQ:
1 ton
Delivery Time:
15 days
Brand:
LEADSUN
Product Description
Quick Detail:
Leadsun Bauxite (also known as bauxite or aluminous earth) is a high-purity refractory raw material primarily composed of alumina (Al₂O₃), with impurities such as iron oxide, silica, and titanium oxide. It appears white, off-white, brown, or light red depending on iron content, and features high density (3.45 g/cm³), hardness, and refractoriness. Insoluble in water but soluble in sulfuric acid and sodium hydroxide solutions, it is a crucial raw material for aluminum smelting and high-performance refractory products.
| Grade | Al₂O₃ % | Fe₂O₃ % | TiO₂ % | K₂O+Na₂O % | CaO+MgO % | Bulk density g/cm³ |
|---|---|---|---|---|---|---|
| 50-60 | 50-60 | ≤3.0 | ≤4.0 | ≤0.3 | ≤0.5 | ≥2.45 |
| 60-70 | 60-70 | ≤3.0 | ≤4.0 | ≤0.3 | ≤0.5 | ≥2.65 |
| 75 | 75min | ≤3.0 | ≤4.0 | ≤0.3 | ≤0.5 | ≥2.70 |
| 80 | 80min | ≤3.0 | ≤4.0 | ≤0.3 | ≤0.5 | ≥2.80 |
| 85 | 85min | ≤2 | ≤4.0 | ≤0.3 | ≤0.5 | ≥3.00 |
| 86 | 86min | ≤2 | ≤4.0 | ≤0.3 | ≤0.5 | ≥3.10 |
| 87 | 87min | ≤2 | ≤4.0 | ≤0.3 | ≤0.5 | ≥3.20 |
| 88 | 88min | ≤1.8 | ≤4.0 | ≤0.25 | ≤0.5 | ≥3.25 |
| 90 | 90min | ≤1.8 | ≤4.0 | ≤0.25 | ≤0.5 | ≥3.30 |
Features:
- High Alumina Content: Available in grades from 50% to 90% Al₂O₃ to meet various refractory needs.
- Low Impurity Levels: Controlled Fe₂O₃, TiO₂, alkali, and alkaline earth content for consistent performance.
- High Bulk Density: Ranging from ≥2.45 to ≥3.30 g/cm³, ensuring dense and durable refractory structures.
- Excellent Refractoriness: Withstands extreme temperatures in furnace linings and metallurgical processes.
- Chemically Stable: Resistant to slag corrosion and thermal shock in harsh industrial environments.
- Versatile Applications: Suitable for refractory bricks, castables, cement, and aluminum production.
- Consistent Quality: Strict quality control from mining to processing ensures reliable material properties.
Available Forms:
- Raw Ore: Lumps, granules, or powder
- Calcined Bauxite: Fired at high temperatures to enhance density and stability
- Processed Sizes: 0-1mm, 1-3mm, 3-5mm, 5-8mm, 10-20mm, or as per customer specifications
- Packaging: Bulk bags, ton bags, or customized packaging
Applications:
-
Refractory Industry:
- High alumina bricks, fire clay bricks, mullite bricks
- Refractory castables, plastics, mortars, and coatings
- Ladle linings, tundish linings, blast furnace linings
- Aluminum Smelting: Primary raw material for alumina production
- Abrasive Industry: Raw material for grinding wheels and abrasive tools
- Cement & Ceramics: High-alumina cement, ceramic glazes, kiln furniture
- Welding & Brazing: Flux compositions and welding rod coatings
- Chemical Industry: Catalyst supports, adsorbents, filler materials
Key Advantages:
- ✅ Wide range of alumina content for tailored refractory solutions
- ✅ Low iron and alkali content for improved high-temperature performance
- ✅ High density and mechanical strength for longer service life
- ✅ Consistent chemical and physical properties for reliable production
- ✅ Suitable for both monolithic and shaped refractory products
- ✅ Supports energy-efficient and sustainable industrial processes
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Company
Qingdao Leadsun Refractory Co., Ltd
Location
No. 700, Qingshan Road, Licang District, Qingdao, China
Contact Person
Tony