| Customization: | Available |
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| Natural Abrasive Type: | Fused Alumina |
| Artificial Abrasive Type: | Corundum Abrasives |
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Brown Fused Alumina, renowned in the industry as Brown Aluminum Oxide, is a top-tier synthetic mineral celebrated for its unparalleled hardness and remarkable wear resistance. This exquisite material is meticulously engineered through an advanced process that merges bauxite, iron filings, and anthracite in a high-temperature electric arc furnace. Following this fusion, it undergoes a meticulous cooling, crushing, and screening sequence to ensure the pinnacle of quality standards. The superior physical and chemical properties of this product make it essential for a multitude of industrial applications, delivering exceptional performance and enduring durability.
| TYPICAL CHEMICAL ANALYSIS | |
| Al2O3 | 99.54% |
| Na2O | 0.23% |
| SiO2 | 0.06% |
| Fe2O3 | 0.06% |
| PHYSICAL PROPERTIES | |
| Color | Brown |
| Shape | Angular grain shape |
| Crystal Form | Alpha alumina |
| Specific Gravity | 3.95 |
| Hardness | 2150 Knoop scale |
| Magnetic Material | 0.00% |
Embark on a captivating journey through the intricate creation of brown fused alumina (BFA), a masterpiece of precisely orchestrated stages. From the initial raw material preparation, through fusion and cooling, to the final crushing and meticulous classification, each step unveils the artistry behind this exceptional process.
Raw Material Preparation:
Bauxite: This vital cornerstone of our premium production is meticulously chosen for its rich alumina (Al2O3) content. Our carefully selected bauxite guarantees purity and superior quality, laying the foundation for outstanding results.
Iron filings or scrap iron: Skillfully integrated into the mix, these materials enhance the reduction process during fusion, significantly boosting efficiency and quality.
Anthracite coal: Serving as an essential component in the fusion process, anthracite coal acts as a powerful reducing agent, playing a crucial role in achieving the desired transformation.
Fusion:
Electric Arc Furnace (EAF): Our expertly blended mixture is introduced into the Electric Arc Furnace, where temperatures soar to an astonishing 2000-2200°C (3632-3992°F). Under the influence of potent electric arcs from carbon electrodes, the transformation begins.
Reduction and Fusion: Within this intense high-temperature environment, the bauxite's alumina melts and reacts with the carbon from anthracite, producing molten alumina. Impurities such as iron are effectively reduced and separated, ensuring exceptional purity.
Cooling:
Cooling the Molten Alumina: The process continues as molten alumina is expertly poured into molds or spread on a cooling floor. This controlled cooling process is essential for achieving the desired crystal structure and size.
Formation of Ingots: During the cooling phase, the material solidifies into magnificent ingots or blocks, showcasing the luxurious form of fused alumina.
Crushing and Grinding:
Primary Crushing: These cooled ingots undergo an initial breakdown by robust jaw crushers or similar machinery, preparing them for further refinement.
Secondary Crushing and Grinding: This phase involves meticulous crushing and grinding using cone crushers, roll crushers, and ball mills, ensuring the material achieves the optimal particle size.
Magnetic Separation:
Removing Metallic Impurities: The finely ground material is passed through magnetic separators, which excel at removing iron particles and other metallic impurities, ensuring immaculate purity.
Sieving and Classification:
Particle Size Distribution: The refined alumina is expertly sieved into various grades based on particle size, utilizing vibrating screens and air classifiers for exceptional precision and accuracy.
Quality Control: Each batch undergoes rigorous testing for chemical composition, particle size distribution, and other critical quality metrics to ensure full compliance with industry standards and deliver unrivaled quality.
Brown fused alumina is renowned across numerous industrial sectors for its extraordinary hardness, outstanding toughness, and exceptional high melting point, making it an unparalleled necessity:
Abrasives: This powerhouse material is essential in crafting high-performance grinding wheels, superior sandpaper, blasting media, and a vast array of other premium abrasive products, ensuring precision and excellence in every application.
Refractories: At the heart of producing refractory bricks, castables, and other robust materials, brown fused alumina is engineered to withstand extreme heat, embodying reliability and resilience in high-temperature environments.
Surface Preparation: The ultimate choice for cleaning, deburring, and surface preparation, especially in metalworking, automotive, and precision industries, where attention to detail is paramount. It ensures surfaces are impeccably prepared for the next stage.
Ceramics: A critical ingredient in ceramic products, brown fused alumina enhances durability and thermal shock resistance, granting these items exceptional longevity and performance, meeting the industry's rigorous demands.
| TYPICAL BULK DENSITY | |||||||
| Grit (F) | g/cm³ | Grit (F) | g/cm³ | Grit (F) | g/cm³ | Grit (F) | g/cm³ |
| 12 | 1.74 | 30 | 1.77 | 60 | 1.65 | 120 | 1.51 |
| 14 | 1.72 | 36 | 1.76 | 70 | 1.62 | 150 | 1.48 |
| 16 | 1.72 | 40 | 1.72 | 80 | 1.59 | 180 | 1.46 |
| 20 | 1.72 | 46 | 1.71 | 90 | 1.55 | 220 | 1.44 |
| 24 | 1.79 | 54 | 1.69 | 100 | 1.54 | ||
Drums and Barrels: Versatile and Durable
Weight: Typically available in 200 L (53 gallons) drums, offering a robust solution for storage and transport.
Material: Fabricated from durable metal or high-density polyethylene, ensuring optimal strength and longevity.
Features: Secured with tamper-evident seals and designed to resist moisture, these stackable containers maximize storage efficiency.
Applications: Employed where extra protection from environmental factors is essential, or for streamlined handling in automated processes.
Custom Packaging: Tailored Precision
Options: Offering bespoke packaging solutions meticulously tailored to meet specific customer requirements with precision.
Features: Enables custom weights, materials, and labeling options to address particular needs and preferences.
Applications: Ideally suited for specialized industries or unique applications that demand specific packaging standards.
Labeling and Documentation: Clarity and Compliance
Identification: Each package is distinctly labeled with comprehensive product information, including grade, grit size, weight, and batch number, ensuring clarity and traceability.
Safety Information: Labels are meticulously detailed with crucial safety and handling instructions, safeguarding users and handlers alike.
Compliance: Packaging adheres strictly to international shipping regulations and industry standards, ensuring peace of mind and safety during transit.
Luoyang Frere Import and Export Trading Co., Ltd. is a distinguished leader in the trading industry, celebrated for its groundbreaking innovations. With a fervent commitment to the realm of refractory materials and abrasive media, we expertly combine deep industry knowledge with unmatched trade proficiency. Our pride lies in our state-of-the-art testing facilities and exceptional technical expertise. Situated in the bustling hub of Luoyang city, Henan province, our two esteemed factories carry a proud heritage of 24 years in the precise production of Brown Fused Alumina (BFA) and White Fused Alumina (WFA), cementing our status as a trusted name in the industry.
Rooted in robust factory partnerships, we offer a stunning selection of Cutting Wheels, Grinding Wheels, and Flap Discs at highly competitive prices. Our globally recognized and trusted offerings skillfully cater to the diverse and shifting economic and social demands of the contemporary global market. Our unwavering dedication to quality and customer satisfaction ensures that our products consistently achieve the pinnacle of excellence and reliability, winning the confidence of clients worldwide.
At Luoyang Frere, we deeply cherish enduring collaborations and enthusiastically anticipate the chance to partner with your esteemed company. Our committed team is prepared and eager to support your endeavors, playing a crucial role in your future triumphs and growth, making your journey with us a truly enriching experience.
At Frere company, we stand firmly by our promise to our esteemed customers, extending our commitment well beyond the initial transaction. Our all-encompassing after-sales service suite is crafted with precision to ensure your lasting satisfaction and triumph with our superior products. Explore the extraordinary service experience that awaits you by choosing us as your trusted partner for unparalleled abrasive and refractory solutions:
1. Technical Support:
Our elite team of engineers and technical specialists is always ready to provide unparalleled expertise and guidance. Whether you require help in selecting the perfect product, mastering complex application techniques, or navigating troubleshooting challenges, we are dedicated to supporting your success and driving exceptional results.
2. Product Training:
We provide comprehensive training programs designed to empower your team with the vital knowledge and skills to use our products safely and efficiently. From core handling practices to advanced application strategies, our sessions are meticulously customized to meet your unique requirements and preferences.
3. Warranty and Repairs:
Our products come with a strong warranty. Should any issues arise, our committed service team is prepared to offer swift repairs or replacements, minimizing operational disruptions and ensuring your peace of mind.
4. Regular Follow-ups:
We take pride in our proactive customer service approach. Our team performs regular follow-ups to assess product performance and collect your invaluable feedback. This dynamic interaction enables us to continuously refine and tailor our solutions to perfectly meet your changing needs.
5. Maintenance Services:
To extend the life and enhance the performance of our products, we offer specialized maintenance services. Our experts help devise a maintenance schedule and provide on-site support, ensuring your equipment performs at its peak.
6. Rapid Response:
In urgent situations, our rapid response team is geared up to provide immediate assistance. Understanding the critical nature of time in your operations, we tackle issues with remarkable speed and efficiency to ensure quick resolutions.
7. Spare Parts Availability:
We stock a vast array of spare parts to ensure you receive needed components without delay. Our efficient logistics network ensures rapid delivery, minimizing downtime and keeping your operations seamlessly running.
8. Customer Feedback Loop:
Your insights are of utmost importance to us. We actively seek your feedback on our products and services to drive ongoing improvements, with the goal of consistently surpassing your expectations at every level of interaction.
9. 24/7 Customer Service:
Our devoted customer service team is available 24/7, ready to address any queries or concerns you might have. Be it a minor inquiry or an urgent issue, we are here to offer unwavering support and assistance.
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