| Customization: | Available |
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| Natural Abrasive Type: | Fused Alumina |
| Artificial Abrasive Type: | Corundum Abrasives |
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Brown Fused Alumina, also recognized as Brown Aluminum Oxide, stands as a marvel of synthetic mineral engineering, revered for its extraordinary hardness and top-tier wear resistance. This remarkable material is meticulously crafted through the intricate process of melting bauxite, iron filings, and anthracite in a high-temperature electric arc furnace, succeeded by a precise cooling, crushing, and screening sequence. The result is a product with unmatched physical and chemical properties, rendering it absolutely essential across a broad spectrum of demanding industrial applications.
| 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 production journey of brown fused alumina (BFA) is a meticulous multi-stage process involving raw material preparation, fusion, cooling, crushing, and classification. Let's delve into this sophisticated procedure:
Raw Material Preparation:
Bauxite: Our primary raw material, bauxite, is rich in alumina (Al2O3). We meticulously select the finest bauxite to ensure it embodies the essential alumina content while minimizing impurities.
Iron filings or scrap iron: Integrated into the blend, these components facilitate the reduction process during the fusion phase.
Anthracite coal: This serves as a pivotal reducing agent, enhancing the reduction process.
Fusion:
Electric Arc Furnace (EAF): The expertly prepared mixture is introduced into an electric arc furnace, where electric arcs between carbon electrodes generate intense temperatures reaching 2000-2200°C (3632-3992°F).
Reduction and Fusion: At these elevated temperatures, the alumina in bauxite liquefies and interacts with anthracite's carbon, resulting in molten alumina. Concurrently, iron and other impurities undergo reduction and separation.
Cooling:
Cooling the Molten Alumina: The molten alumina is meticulously poured from the furnace into molds or onto cooling floors. This controlled cooling phase is vital to cultivate the ideal crystal structure and size.
Formation of Ingots: As cooling progresses, the material transitions into robust ingots or blocks of fused alumina.
Crushing and Grinding:
Primary Crushing: The now-cooled ingots are initially fragmented using jaw crushers or other heavy-duty equipment.
Secondary Crushing and Grinding: The material undergoes further crushing and grinding into finer granules via cone crushers, roll crushers, and ball mills, persisting until the target particle size is attained.
Magnetic Separation:
Removing Metallic Impurities: The ground material traverses magnetic separators, efficiently extracting remaining iron particles and other metallic impurities.
Sieving and Classification:
Particle Size Distribution: The refined alumina is then expertly sieved into various grades based on particle size, a process executed with precision using vibrating screens and air classifiers.
Quality Control: Each production batch undergoes rigorous testing for chemical composition, particle size distribution, and other quality metrics to ensure it aligns perfectly with industry standards.
Renowned for its exceptional hardness, remarkable toughness, and impressive high melting point, brown fused alumina is a versatile powerhouse in the industrial world, ensuring superior performance across a spectrum of applications:
Abrasives: Harness the power of brown fused alumina in creating high-efficiency grinding wheels, precision sandpaper, premium blasting media, and a multitude of other cutting-edge abrasive products.
Refractories: Elevate the durability and heat resistance of refractory bricks, innovative castables, and other high-performance materials designed to withstand extreme temperatures.
Surface Preparation: Achieve pristine finishes and prepare surfaces to perfection with brown fused alumina, ideal for tasks such as cleaning, intricate deburring, and meticulous surface preparation in sectors like metalworking and automotive.
Ceramics: Infuse your ceramic creations with outstanding durability and superior resistance to thermal shock, thanks to the inclusion of brown fused alumina.
| 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: Generally offered in 200 L (53 gallons) drums, ideal for robust storage solutions.
Material: Composed of sturdy metal or high-density polyethylene, ensuring structural integrity.
Features: Secured with tamper-evident seals, resistant to moisture, and stackable for streamlined storage.
Applications: Perfect for scenarios requiring enhanced environmental protection or streamlined automated processing.
Custom Packaging:
Options: Tailored packaging solutions meticulously designed to meet specific customer requirements.
Features: Custom-designed weights, materials, and labeling options to fulfill unique needs and specifications.
Applications: Ideal for specialized industries or unique applications where specific packaging standards are paramount.
Labeling and Documentation:
Identification: Each package is distinctly labeled with comprehensive product information, including grade, grit size, weight, and batch number for easy identification.
Safety Information: Labels are comprehensive, including all necessary safety and handling instructions for user assurance.
Compliance: Packaging adheres to international shipping regulations and industry standards, ensuring seamless global distribution.
Luoyang Frere Import and Export Trading Co., Ltd. stands as a beacon of excellence in the trading industry, specializing in top-tier refractory materials and abrasive media. Our unique blend of industry insight and trade acumen is complemented by our state-of-the-art testing facilities and unparalleled technical expertise. Strategically situated in Luoyang city, Henan province, our two factories bring to the table an impressive 24 years of dedicated experience in crafting Brown Fused Alumina (BFA) and White Fused Alumina (WFA), ensuring unmatched quality and innovation.
Harnessing robust relationships with our factories, we provide top-quality Cutting Wheels, Grinding Wheels, and Flap Discs, all at highly competitive prices. Our products are not only widely acclaimed but also trusted to seamlessly meet the dynamic economic and social demands of today's market. With an unwavering commitment to excellence and customer satisfaction, we guarantee that our offerings consistently rise to the highest echelons of quality and reliability.
At Luoyang Frere, we cherish the value of enduring partnerships and are keenly looking forward to forging a collaborative future with your prestigious company. Our dedicated team is poised to address your requirements and contribute significantly to your success in the promising days ahead.
At Frere company, we are committed to extending our top-notch responsibility to our customers far beyond the point of purchase. Our meticulously crafted after-sales service is dedicated to ensuring your ongoing satisfaction and triumph with our exquisite products. When you entrust us as your go-to abrasive and refractory supplier, here's the exceptional support you can anticipate:
1. Technical Support:
Our elite team of seasoned engineers and technical specialists stands ready to offer unparalleled advice and support. Whether it's product selection, mastering application techniques, or tackling troubleshooting challenges, we are poised to guide you towards outstanding results.
2. Product Training:
Our comprehensive training programs are meticulously designed to empower your team to utilize our products with utmost efficiency and safety. From foundational handling skills to sophisticated application techniques, our training is customized to cater to your unique requirements.
3. Warranty and Repairs:
Our products come backed by a formidable warranty. Should you face any challenges, our dedicated service team is swiftly at your service, providing prompt repairs or replacements to ensure seamless continuity of your operations.
4. Regular Follow-ups:
We champion proactive customer service. Our diligent team undertakes regular follow-ups to assess product performance and gather your valuable feedback. This enables us to perpetually refine and customize our offerings to better serve your needs.
5. Maintenance Services:
To maximize the longevity and efficiency of our products, we offer exemplary maintenance services. Our experts collaborate with you to devise a maintenance schedule and deliver on-site support, ensuring your equipment remains in pristine condition.
6. Rapid Response:
In the face of any urgent scenarios, our rapid response team is readily available to deliver immediate resolution. We recognize that timeliness is of the essence in your operations, and we are committed to swiftly addressing any issues that arise.
7. Spare Parts Availability:
Our extensive inventory of spare parts guarantees quick access to essential components. Our streamlined logistics network ensures prompt delivery, minimizing downtime and keeping your operations running seamlessly.
8. Customer Feedback Loop:
Your insights are invaluable to us. We eagerly seek your feedback on our product offerings and services, using this critical information to drive continuous enhancement. Our ultimate goal is to consistently exceed your expectations in every interaction.
9. 24/7 Customer Service:
Our dedicated customer service team is available around the clock to address any inquiries or concerns you may have. Whether it's a straightforward query or a pressing situation, we stand ready to provide unwavering support whenever you need it.
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