| 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, is a paragon among synthetic minerals, renowned for its unparalleled hardness and exceptional wear resistance. Meticulously engineered, this premium-grade material emerges from an advanced and sophisticated process that involves the fusion of bauxite, iron filings, and anthracite within a high-temperature electric arc furnace. Following this, the material is subjected to a meticulous cooling, crushing, and screening process to meet and exceed the highest quality standards. Its outstanding physical and chemical properties make this product indispensable for a vast array of industrial applications, promising superior 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 voyage through the meticulous creation process of brown fused alumina (BFA), a harmonious blend of precision and artistry. Each stage, from raw material preparation, fusion, and cooling, to systematic crushing and classification, unveils the intricate craftsmanship involved in this remarkable production.
Raw Material Preparation:
Bauxite: This essential cornerstone of our exquisite production is meticulously chosen for its high alumina (Al2O3) content. Our rigorously selected bauxite ensures unmatched purity and quality, laying the foundation for superior results.
Iron filings or scrap iron: Seamlessly integrated into the mixture, these materials significantly enhance the reduction process during fusion, elevating overall efficiency and outcome quality.
Anthracite coal: Serving as a crucial element in the fusion process, anthracite coal acts as a potent reducing agent, playing an indispensable role in facilitating the desired transformation.
Fusion:
Electric Arc Furnace (EAF): Our expertly formulated mixture enters the Electric Arc Furnace, where temperatures soar to a staggering 2000-2200°C (3632-3992°F). Under the influence of electric arcs from carbon electrodes, the transformative process is set in motion.
Reduction and Fusion: Within this intense heat environment, bauxite's alumina liquefies and interacts with the carbon from anthracite, forming molten alumina. Impurities, including iron, are effectively reduced and separated, assuring impeccable purity.
Cooling:
Cooling the Molten Alumina: The artistry continues as molten alumina is adeptly poured into molds or carefully spread on a cooling floor. This controlled cooling is essential for achieving the targeted crystal structure and size.
Formation of Ingots: During the cooling phase, the material solidifies into splendid ingots or blocks, illustrating the luxurious form of fused alumina.
Crushing and Grinding:
Primary Crushing: These solidified ingots undergo an initial breakdown by powerful jaw crushers or equivalent machinery, paving the way for further refinement.
Secondary Crushing and Grinding: This phase involves meticulous crushing and grinding through cone crushers, roll crushers, and ball mills, ensuring the material attains the desired particle size.
Magnetic Separation:
Removing Metallic Impurities: The finely ground material is processed through magnetic separators, which excel in eliminating iron particles and other metallic impurities, ensuring unparalleled purity.
Sieving and Classification:
Particle Size Distribution: The refined alumina undergoes precise sieving into different grades based on particle size, utilizing vibrating screens and air classifiers for impeccable precision and accuracy.
Quality Control: Each batch is subjected to rigorous testing for chemical composition, particle size distribution, and other critical quality metrics to ensure conformity with industry standards and deliver outstanding quality.
Brown fused alumina is celebrated across a multitude of industrial arenas for its extraordinary hardness, superior toughness, and remarkable high melting point, establishing it as an unparalleled essential component:
Abrasives: Standing as a crucial ingredient in the manufacture of grinding wheels, sandpaper, blasting media, and an extensive variety of other top-tier abrasive products.
Refractories: Central to the creation of refractory bricks, castables, and other resilient materials designed to withstand extreme heat and temperature challenges.
Surface Preparation: The ultimate solution for the meticulous cleaning, deburring, and preparation of surfaces in metalworking, automotive, and other precision-driven industries.
Ceramics: A vital component in ceramic products that require exceptional durability and resistance to thermal shock, guaranteeing prolonged life and peak performance.
| 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: Offered in robust 200 L (53 gallons) drums, providing a solid solution for storage and transport needs.
Material: Made from tough metal or high-density polyethylene, ensuring maximum strength and longevity.
Features: Equipped with tamper-evident seals and moisture-resistant design, these stackable containers enhance storage efficiency.
Applications: Ideal for environments requiring extra protection from environmental factors or for efficient handling in automated systems.
Custom Packaging: Tailored Precision
Options: Our custom packaging solutions are precisely tailored to match your specific requirements, ensuring personalized precision.
Features: Offers flexibility in custom weights, materials, and labeling to meet unique needs and preferences.
Applications: Perfectly suited for industries or applications demanding specific packaging standards.
Labeling and Documentation: Clarity and Compliance
Identification: Each package bears a clear label with detailed product information, such as grade, grit size, weight, and batch number, for clarity and traceability.
Safety Information: Labels feature detailed safety and handling instructions to protect users and handlers.
Compliance: Our packaging meets international shipping regulations and industry standards, ensuring safety and peace of mind during transit.
Luoyang Frere Import and Export Trading Co., Ltd. is a beacon of innovation and excellence in the trading industry. With a fervent dedication to the intricate realms of refractory materials and abrasive media, we merge deep-seated industry acumen with unparalleled trade expertise. Our pride lies in our cutting-edge testing facilities and unmatched technical prowess. Strategically located in the bustling hub of Luoyang city, Henan province, our two prestigious factories boast an impressive 24-year legacy in the meticulous crafting of Brown Fused Alumina (BFA) and White Fused Alumina (WFA). These credentials make us a revered and trusted figure in the sector.
Anchored by robust factory partnerships, we offer an exquisite selection of Cutting Wheels, Grinding Wheels, and Flap Discs at extraordinarily competitive prices. Globally renowned and trusted, our products cater seamlessly to the diverse and ever-evolving economic and social demands of today's international market. Our unwavering commitment to quality and customer satisfaction ensures that our products consistently achieve the pinnacle of excellence and reliability, earning the trust and loyalty of clients worldwide.
At Luoyang Frere, we cherish enduring collaborations and eagerly anticipate the chance to partner with your esteemed enterprise. Our devoted team is prepared and eager to support your ventures, playing a crucial role in your forthcoming success and growth. We are committed to making your journey with us not just a partnership, but an enriching and rewarding experience.
At Frere company, our unwavering dedication to our clients transcends the completion of a sale. We proudly present a comprehensive suite of after-sales services, each meticulously crafted to ensure your perpetual satisfaction and success with our extraordinary products. Embark on an unparalleled service journey when you choose us as your esteemed partner for abrasive and refractory solutions:
1. Technical Support:
Our elite team of engineers and technical specialists stands ever-ready to provide unparalleled expertise and guidance. Whether you seek assistance in selecting the perfect product, mastering complex application techniques, or surmounting troubleshooting challenges, we are committed to empowering your success and achieving remarkable results.
2. Product Training:
We deliver comprehensive training programs tailored to equip your team with the essential knowledge and skills for safe and effective product use. From fundamental handling practices to sophisticated application strategies, our sessions are meticulously designed to cater to your unique needs and preferences.
3. Warranty and Repairs:
Our products are backed by a robust warranty. Should any issues arise, our dedicated service team is poised to offer prompt repairs or replacements, minimizing operational disruptions and ensuring your peace of mind.
4. Regular Follow-ups:
Our proactive customer service approach is a source of great pride. Regular follow-ups allow us to assess product performance and gather your invaluable feedback. This dynamic interaction empowers us to continuously refine and personalize our solutions to seamlessly adapt to your evolving needs.
5. Maintenance Services:
To extend the lifespan and optimize our products' performance, we offer specialized maintenance services. Our experts work with you to develop a maintenance schedule and provide on-site support, ensuring your equipment maintains peak efficiency.
6. Rapid Response:
In times of urgency, our rapid response team delivers immediate assistance. We recognize the critical importance of timeliness in your business, addressing issues with outstanding speed and efficacy to ensure swift resolutions.
7. Spare Parts Availability:
Our extensive spare parts inventory is maintained to provide you with the components you need when you need them. Our efficient logistics network guarantees swift delivery, minimizing downtime and ensuring smooth operations.
8. Customer Feedback Loop:
Your insights are invaluable, and we actively seek your feedback on our products and services to drive continuous improvements. Our goal is to consistently surpass your expectations at every interaction.
9. 24/7 Customer Service:
Our devoted customer service team is available around the clock to address any questions or concerns you may have. Whether a simple inquiry or an urgent issue, we offer steadfast support and assistance whenever needed.
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