| 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 renowned across a wide spectrum of industrial domains for its exceptional hardness, outstanding durability, and impressive melting point, making it an indispensable and unmatched component in several fields:
Abrasives: An essential element in the production of grinding wheels, sandpaper, blasting media, and a diverse array of leading-edge abrasive products that set the standard for performance.
Refractories: Integral to the manufacture of refractory bricks, castables, and other robust materials engineered to endure extreme heat and temperature conditions.
Surface Preparation: The definitive choice for precise cleaning, deburring, and surface treatment in metalworking, automotive, and other industries where precision is paramount.
Ceramics: A crucial ingredient in ceramic products that demand superior durability and resistance to thermal shock, ensuring extended lifespan and optimal functionality.
| 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: Unmatched Versatility and Durability
Weight: Our robust 200 L (53 gallons) drums offer a solid and reliable solution for all your storage and transport requirements.
Material: Constructed from tough metal or high-density polyethylene, these drums ensure the ultimate in strength and longevity.
Features: With tamper-evident seals and moisture-resistant design, these stackable containers optimize storage efficiency and offer superior protection.
Applications: Perfect for scenarios demanding extra protection from environmental factors or efficient handling within automated systems.
Custom Packaging: Precision Tailored to Perfection
Options: Our custom packaging solutions are crafted to perfection, tailored to match your exact specifications for unparalleled precision.
Features: Offering unmatched flexibility, our custom solutions cater to unique weights, materials, and labeling preferences.
Applications: Designed to meet specific packaging standards demanded by diverse industries or applications.
Labeling and Documentation: Clarity and Compliance Redefined
Identification: Each package is meticulously labeled with detailed product information such as grade, grit size, weight, and batch number for ultimate clarity and traceability.
Safety Information: Labels are comprehensive, featuring detailed safety and handling instructions to safeguard users and handlers.
Compliance: Our packaging adheres to international shipping regulations and industry standards, ensuring utmost safety and peace of mind during transit.
Luoyang Frere Import and Export Trading Co., Ltd. shines as a paragon of innovation and distinction within the trading milieu. Our fervent dedication to the meticulous domains of refractory materials and abrasive media sets us apart, as we blend profound industry insights with unmatched trade expertise. The pride in our state-of-the-art testing facilities and exceptional technical acumen is deeply rooted in our identity. Ideally situated in the vibrant heart of Luoyang city, Henan province, our two illustrious factories carry a remarkable 24-year heritage in the artisanal creation of Brown Fused Alumina (BFA) and White Fused Alumina (WFA). These formidable credentials establish us as a revered and dependable leader in the industry.
Fortified by strong factory alliances, we present a refined array of Cutting Wheels, Grinding Wheels, and Flap Discs at exceptionally competitive prices. Our products are celebrated and trusted globally, adeptly meeting the multifaceted and ever-changing economic and social demands of the contemporary international market. Our steadfast dedication to quality and customer satisfaction propels our offerings to consistently achieve supreme excellence and dependability, garnering the trust and loyalty of clients across the globe.
At Luoyang Frere, we value long-lasting collaborations and are eager to forge a partnership with your esteemed organization. Our dedicated team stands prepared and enthusiastic to support your initiatives, contributing significantly to your upcoming achievements and growth. We are committed to ensuring that your journey with us transcends a mere partnership, evolving into an enriching and rewarding alliance.
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 is always ready to provide unparalleled expertise and guidance. Whether you need assistance in selecting the perfect product, mastering complex application techniques, or overcoming troubleshooting challenges, we are committed to empowering your success and achieving remarkable results.
2. Product Training:
We offer 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 come with a robust warranty. Should any issues arise, our dedicated service team is prepared to promptly offer 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. Through regular follow-ups, we 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 understand the critical importance of timeliness in your business and address 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 quick 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 it's a simple inquiry or an urgent issue, we offer steadfast support and assistance whenever needed.
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