Factory Selling Best Quality Raw Material Calcined Refractory Bauxite High Alumina 50-90% For High Alumina Brick Raw Material
Price:
Negotiable
MOQ:
1 tons
Delivery Time:
7-10 days
Brand:
LEADSUN
Product Description
Factory Selling Best Quality Raw Material Calcined Refractory Bauxite High Alumina 50-90%
High-performance industrial thermal insulation systems featuring Calcined Refractory Bauxite—an essential raw material that reduces heat loss and enhances energy efficiency in extreme conditions.
Product Overview
Our high-grade, alumina-rich aggregate is incorporated into advanced ceramic fiber and silicate technologies to develop refractory solutions that endure severe thermal stress while offering long-lasting durability in demanding industrial processes.
Leadsun brand solutions deliver outstanding thermal stability and low thermal conductivity. Produced under strict quality control, our materials demonstrate excellent chemical resistance and mechanical strength—making them ideal for linings in furnaces, kilns, and boilers where dependable refractory performance is essential.
Technical Specifications
| 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 |
Key Advantages
- Low Impurity Levels: Controlled Fe₂O₃ and TiO₂ for stable refractory quality
- High Al₂O₃ Content: Suitable for medium to high grade refractory products
- Stable Supply for Bulk Procurement: Ideal for long-term refractory production lines
- High Refractoriness & Thermal Stability: Maintains performance under continuous high-temperature conditions
- Good Sintering Performance: Enhances strength development in fired and monolithic refractories
Primary Applications
- Refractory products with refractory degree up to 1780°C, offering strong chemical stability and excellent physical properties
- Steel drum lining applications using magnesium sand and alumina clinker as raw materials with appropriate binders for optimal pouring effects
- Aluminum refining industry for defense, aviation, automotive, electrical, chemical, and consumer goods applications
- Manufacturing various alumina cement compounds, grinding materials, ceramics industry products, and chemical industry aluminum production
Product Gallery
Frequently Asked Questions
How do I select the right insulation grade for my furnace?
Selection depends on the maximum operating temperature, thermal cycling frequency, and chemical atmosphere. Please provide your design specifications for a tailored recommendation.
Do these materials contain hazardous substances?
We offer a range of bio-soluble (low-bio-persistence) fibers that meet international health and safety standards for handling and usage.
Can you provide customized shapes?
Yes, we provide vacuum-formed custom shapes, blocks, and modules based on your CAD drawings to ensure a perfect fit for your equipment.
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Get in Touch
Have questions about our products or want to discuss a custom order? Our team is ready to help you.
Company
Qingdao Leadsun Refractory Co., Ltd
Location
No. 700, Qingshan Road, Licang District, Qingdao, China
Contact Person
Tony