| Customization: | Available |
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| Natural Abrasive Type: | Fused Alumina |
| Artificial Abrasive Type: | Corundum Abrasives |
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Brown Fused Alumina, also celebrated as Brown Aluminum Oxide, stands as a top-tier synthetic mineral admired for its extraordinary hardness and unrivaled wear resistance. This exceptional material is crafted through an intricate process that marries the fusion of bauxite, iron filings, and anthracite within a high-temperature electric arc furnace. This meticulous process is followed by precise cooling, crushing, and screening, all of which assure superior quality. The distinctive physical and chemical properties of this product make it an indispensable asset across a wide spectrum of industrial applications, guaranteeing optimal performance and remarkable durability at every turn.
| 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% |
The artful creation of brown fused alumina (BFA) is a symphony of precision and expertise. This ingenious multi-stage process unfolds with the preparation of raw materials, followed by fusion, cooling, and the crucial steps of crushing and classification. Let us delve into the fascinating intricacies of this extraordinary production journey:
Raw Material Preparation:
Bauxite: The bedrock of our production, bauxite, is meticulously selected for its exceptional alumina (Al2O3) content. Our expert selection ensures unparalleled quality and minimal impurities, laying the foundation for superior production.
Iron filings or scrap iron: Seamlessly integrated into the mix, these elements streamline the reduction process during fusion, significantly boosting efficiency and effectiveness.
Anthracite coal: A powerful reducing agent, anthracite coal is crucial in facilitating the transformation process during fusion.
Fusion:
Electric Arc Furnace (EAF): The expertly prepared blend is introduced into an electric arc furnace, where temperatures ascend to an astounding 2000-2200°C (3632-3992°F). Electric arcs from carbon electrodes spark a transformative reaction, setting the stage for the fusion process.
Reduction and Fusion: Under the intense heat, bauxite's alumina liquefies, reacting with the carbon from anthracite to create molten alumina. Throughout this process, impurities such as iron are effectively reduced and separated, ensuring purity.
Cooling:
Cooling the Molten Alumina: The molten alumina is expertly poured into molds or onto a cooling floor. This controlled cooling process is critical in shaping the desired crystal structure and size, forming the basis for high-quality fused alumina.
Formation of Ingots: As the cooling progresses, the material solidifies into magnificent ingots or blocks of premium fused alumina, ready for subsequent processing.
Crushing and Grinding:
Primary Crushing: The solidified ingots undergo initial fragmentation by robust jaw crushers or similar heavy-duty machinery, preparing them for further refinement.
Secondary Crushing and Grinding: Through a meticulous process involving cone crushers, roll crushers, and ball mills, the material is systematically broken down to achieve the ideal particle size, ready for its myriad applications.
Magnetic Separation:
Removing Metallic Impurities: The finely milled material journeys through sophisticated magnetic separators, excelling at removing iron particles and other metallic impurities, ensuring unparalleled purity and quality.
Sieving and Classification:
Particle Size Distribution: The refined alumina is meticulously sieved into a variety of grades, each determined by particle size. Utilizing advanced vibrating screens and air classifiers, we achieve unparalleled precision in sizing.
Quality Control: Every batch is subject to stringent testing for chemical composition, particle size distribution, and other critical quality metrics. This rigorous quality control ensures full compliance with industry standards, delivering exceptional quality to our clients.
Brown fused alumina is renowned across a broad spectrum of industrial applications for its exceptional qualities. Its outstanding hardness, unparalleled toughness, and high melting point render it an essential component in diverse fields, emphasizing its indispensable role:
Abrasives: Serving as a pivotal element in crafting top-tier grinding wheels, superior sandpaper, efficient blasting media, and a multitude of other high-quality abrasive products.
Refractories: Integral in the creation of refractory bricks, durable castables, and other resilient materials engineered to endure the most extreme temperatures.
Surface Preparation: The premier choice for metalworking, automotive, and other precision industries, perfect for cleaning, deburring, and meticulous surface preparation tasks.
Ceramics: A vital component in the manufacturing of ceramic products, this material ensures remarkable durability and resistance to thermal shock, guaranteeing both performance and longevity.
| 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:
Weight: These substantial containers hold 200 L (53 gallons), perfect for your specific needs.
Material: Crafted from resilient metal or high-density polyethylene, ensuring exceptional strength and dependability.
Features: Equipped with tamper-evident seals and moisture resistance, these stackable containers maximize storage efficiency.
Applications: Ideal when extra environmental protection is critical or for smooth integration in automated processes.
Custom Packaging:
Options: Tailored packaging solutions meticulously crafted to meet your unique specifications.
Features: Customizable weights, materials, and labeling options designed to meet your specific requirements and preferences with finesse.
Applications: Perfect for specialized industries or unique applications with distinct packaging needs.
Labeling and Documentation:
Identification: Each package is clearly labeled with comprehensive details including product grade, grit size, weight, and batch number.
Safety Information: Labels are complete with essential safety and handling instructions, ensuring safe usage.
Compliance: All packaging complies rigorously with international shipping regulations and industry standards, offering you peace of mind during transit.
Luoyang Frere Import and Export Trading Co., Ltd. stands as a distinguished trailblazer in the vast expanse of international trade, with an unwavering specialization in premium refractory materials and cutting-edge abrasive media. Merging profound industry acumen with exceptional trade expertise, our company is renowned for its state-of-the-art testing facilities and unmatched technical prowess. Located in the vibrant core of Luoyang city, Henan province, we boast two esteemed factories that embody a rich legacy of over 24 years in the meticulous production of both Brown Fused Alumina (BFA) and White Fused Alumina (WFA).
Rooted in formidable factory alliances, we present a superior array of Cutting Wheels, Grinding Wheels, and Flap Discs, all offered at remarkably competitive prices. Our products are celebrated and trusted globally, expertly meeting the intricate and diverse economic and social needs of today's modern market. Our steadfast dedication to unparalleled quality and ultimate customer satisfaction ensures that our products consistently reach the zenith of excellence and reliability.
At Luoyang Frere, we highly value long-lasting partnerships and are eager to collaborate with your esteemed enterprise. Our committed team is prepared to support your ambitions and contribute significantly to your forthcoming achievements and growth.
At Frere Company, our commitment to customer satisfaction extends far beyond the initial purchase. Our comprehensive after-sales service is meticulously designed to ensure your continued success and satisfaction with our superior products. When you choose us as your revered supplier of abrasives and refractories, here's the exemplary service you can expect:
1. Technical Support:
Our team of experienced engineers and technical specialists is on hand to provide unmatched guidance and assistance. Whether you're selecting the perfect product, mastering advanced application techniques, or facing troubleshooting challenges, we're here to guarantee your optimal success.
2. Product Training:
We offer extensive training programs designed to equip your team with the expertise needed to use our products efficiently and safely. From foundational handling to advanced application strategies, our tailored sessions meet your specific needs.
3. Warranty and Repairs:
With a robust warranty supporting our products, our dedicated service team is ready to swiftly handle any issues, offering repairs or replacements to minimize operational disruptions and maintain seamless business activities.
4. Regular Follow-ups:
We are champions of proactive customer service. Through regular check-ins, we evaluate product performance and gather your invaluable feedback, enabling us to refine and customize our solutions to fit your precise needs seamlessly.
5. Maintenance Services:
Our specialized maintenance services are designed to prolong the lifespan and enhance the efficiency of your equipment. Our professionals assist in creating a maintenance schedule and provide on-site support to keep your equipment in top-notch condition.
6. Rapid Response:
For urgent concerns, our rapid response team is ready to deliver immediate support. Understanding the critical importance of timing, we resolve issues swiftly and efficiently, ensuring minimal impact on your operations.
7. Spare Parts Availability:
With an extensive inventory of spare parts, we ensure that you receive necessary components promptly. Our efficient logistics network guarantees quick delivery, reducing downtime and ensuring smooth operations.
8. Customer Feedback Loop:
Your insights are invaluable to us. We actively seek your feedback on our offerings, using it as a catalyst for continual improvements. Our goal is to exceed your expectations at every touchpoint.
9. 24/7 Customer Service:
Our dedicated customer service team is available 24/7, ready to address any queries or issues you might have. From simple inquiries to urgent situations, we are here to provide unwavering support every hour of the day.
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