| 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 an extraordinary synthetic mineral material, highly praised for its remarkable hardness and superb wear resistance. Manufactured with precision, this material is crafted by expertly melting bauxite, iron filings, and anthracite in a state-of-the-art high-temperature electric arc furnace. Through a meticulous process of cooling, crushing, and screening, Brown Fused Alumina emerges with unrivaled physical and chemical properties that set it apart. These exceptional qualities make it a vital component across a multitude of industrial applications, showcasing its indispensable role in meeting high-demand requirements.
| 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 journey of crafting our exquisite brown fused alumina (BFA) unfolds through a series of meticulously orchestrated stages. It begins with raw material preparation and extends through fusion, cooling, crushing, and classification. Delve into the intricate details of this transformative process:
Raw Material Preparation:
Bauxite: Our foundational ingredient, bauxite, is precisely chosen for its rich alumina (Al2O3) content and minimal impurity profile, ensuring premium quality.
Iron filings or scrap iron: Introduced into the blend to facilitate the reduction process during the fusion phase, enhancing purity.
Anthracite coal: This vital component serves as a potent reducing agent in the fusion journey.
Fusion:
Electric Arc Furnace (EAF): The expertly prepared blend enters an electric arc furnace, where temperatures soar to an astounding 2000-2200°C (3632-3992°F), powered by electric arcs from carbon electrodes.
Reduction and Fusion: Amidst these scorching temperatures, the alumina within bauxite liquefies and interacts with anthracite's carbon, yielding molten alumina. Concurrently, iron and impurities are reduced and purged.
Cooling:
Cooling the Molten Alumina: The molten alumina is gracefully transferred from the furnace into molds or onto a specialized cooling floor. Mastered cooling techniques are pivotal to achieving the desired crystalline formation and size.
Formation of Ingots: As cooling persists, the substance solidifies into majestic ingots or blocks of fused alumina.
Crushing and Grinding:
Primary Crushing: The substantial cooled ingots undergo initial fragmentation via jaw crushers or heavy machinery, embarking on their refinement journey.
Secondary Crushing and Grinding: Through cone crushers, roll crushers, and ball mills, the material continues its transformation into finer sizes, achieving the optimal particle dimensions.
Magnetic Separation:
Removing Metallic Impurities: The finely ground material traverses magnetic separators, effectively eliminating remaining iron particles and metallic contaminants, ensuring purity.
Sieving and Classification:
Particle Size Distribution: Precision sieving ensues, classifying the refined alumina into diverse grades based on particle size via vibrating screens and air classifiers, catering to specific applications.
Quality Control: Every batch is rigorously evaluated for chemical composition, particle size distribution, and a spectrum of quality metrics, upholding industry standards and ensuring superior excellence.
Brown fused alumina, a pinnacle of industrial excellence, is cherished across a multitude of sectors for its unparalleled hardness, remarkable toughness, and impressive high melting point, making it indispensable in:
Abrasives: Serving as a critical component in the creation of grinding wheels, sandpaper, blasting media, and various abrasive products, ensuring efficiency and superior performance.
Refractories: Playing a vital role in the manufacturing of refractory bricks, castables, and other high-performance materials capable of withstanding extreme temperatures with ease.
Surface Preparation: Excelling in cleaning, deburring, and meticulous surface preparation, especially within the metalworking and automotive industries, where precision is paramount.
Ceramics: Contributing as a key element in ceramic products that demand exceptional durability and resistance to thermal shock, enhancing both quality 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: Available in standard 200 L (53 gallons) drums, catering to diverse storage and transport needs.
Material: Fabricated from either durable metal or high-density polyethylene, offering resilience and safety.
Features: These drums are equipped with tamper-evident seals, are moisture-resistant, and are stackable for optimized storage.
Applications: Essential when added environmental protection is necessary or for streamlined handling in automated systems.
Custom Packaging:
Options: We provide bespoke packaging solutions meticulously tailored to meet the unique requirements of our valued customers.
Features: Offering flexibility with custom weights, materials, and labeling options, ensuring solutions are as unique as your needs.
Applications: Perfect for specialized industries and unique applications where specific packaging standards are a mandate.
Labeling and Documentation:
Identification: Each package is labeled with clarity, showcasing product details including grade, grit size, weight, and batch number for easy identification.
Safety Information: Essential safety and handling instructions are clearly included on each label to ensure secure usage.
Compliance: Our packaging strictly adheres to international shipping regulations and industry standards, ensuring seamless logistics.
Luoyang Frere Import and Export Trading Co., Ltd. stands as a premier trading company, expertly specializing in the niche of refractory materials and abrasive media. With a seamless blend of industry and trade, we are proud to offer state-of-the-art testing facilities and unmatched technical prowess. Our two strategically located factories in Luoyang city, Henan province, have a rich legacy of 24 years in the production of Brown Fused Alumina (BFA) and White Fused Alumina (WFA), ensuring top-notch quality and reliability.
Capitalizing on our robust factory relationships, we deliver exceptional Cutting Wheels, Grinding Wheels, and Flap Discs at highly competitive prices. Our product range is widely acclaimed and trusted, skillfully aligning with the dynamic economic and social demands of today's market. We uphold a steadfast commitment to quality and customer satisfaction, consistently providing offerings that adhere to the most rigorous standards of excellence.
At Luoyang Frere, we cherish and nurture long-term partnerships, eagerly anticipating the chance to collaborate with your esteemed company. Our dedicated team is poised to address your needs, driving your success now and into the future, through a fruitful and enduring relationship.
At Frere company, we are deeply committed to nurturing lasting relationships with our customers, extending our care far beyond the initial purchase. Our all-encompassing after-sales service is meticulously crafted to assure your ongoing satisfaction and triumph with our superior brown fused alumina refractory material and other products. By choosing us as your trusted supplier of abrasives and refractory solutions, you are guaranteed the following exceptional benefits:
1. Technical Support:
Our seasoned team of engineers and technical experts stands ready to offer unparalleled guidance and support. Whether you require help with selecting the right product, mastering application techniques, or solving technical challenges, we are here to ensure you achieve unparalleled outcomes.
2. Product Training:
Our comprehensive training programs are designed to empower your team with the knowledge and skills needed to utilize our products with maximum efficiency and safety. From fundamental handling to sophisticated application methods, our training is customized to fit your unique requirements.
3. Warranty and Repairs:
We proudly stand behind our products with a solid warranty. In case you face any challenges, our committed service team will swiftly conduct repairs or replacements, minimizing any interruptions to your operations and ensuring a seamless experience.
4. Regular Follow-ups:
We advocate for an anticipatory approach to customer service. Our team regularly checks in to monitor the performance of our products, welcoming your valuable feedback. This continuous interaction enables us to refine our offerings and tailor them precisely to your evolving needs.
5. Maintenance Services:
To enhance the longevity and performance of our products, we provide expert maintenance services. Our specialists collaborate with you to develop a strategic maintenance plan, offering on-site assistance to keep your equipment operating at peak performance.
6. Rapid Response:
For urgent matters, our swift response team is readily available to deliver immediate support. We acknowledge the time-sensitive nature of your operations, striving to resolve any issues with the utmost speed and efficiency.
7. Spare Parts Availability:
Our extensive inventory of spare parts ensures you have fast access to essential components whenever needed. Coupled with our robust logistics network, we guarantee prompt delivery, thereby minimizing downtime and maintaining the smooth flow of your operations.
8. Customer Feedback Loop:
Your insights are invaluable to our continuous improvement. We actively solicit your feedback on our products and services, using it to drive enhancements. Our mission is to surpass your expectations consistently, ensuring every interaction is a delightful experience.
9. 24/7 Customer Service:
Our unwavering customer service team is at your disposal around the clock, ready to address any inquiries or concerns. Be it a minor issue or a critical emergency, we are committed to providing unwavering support whenever you need it.
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