| Customization: | Available |
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| Natural Abrasive Type: | Fused Alumina |
| Artificial Abrasive Type: | Corundum Abrasives |
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Brown Fused Alumina, also renowned as Brown Aluminum Oxide, is an advanced synthetic mineral material that is highly acclaimed for its remarkable hardness and exceptional wear resistance. This exquisite product is meticulously crafted by the expert melting of bauxite, iron filings, and anthracite in a cutting-edge high-temperature electric arc furnace. Through a precise and controlled cooling, crushing, and screening process, Brown Fused Alumina emerges with extraordinary physical and chemical properties. These outstanding features render it absolutely essential across a wide spectrum of industrial applications, ensuring superior performance and reliability.
| 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 creation of brown fused alumina (BFA) is a meticulous journey through several stages, including raw material preparation, fusion, cooling, crushing, and classification. Let's delve into this fascinating process in detail:
Raw Material Preparation:
Bauxite: The journey begins with bauxite, the cornerstone of this process, known for its high alumina (Al2O3) content. We handpick bauxite to guarantee optimal alumina levels with minimal impurities.
Iron filings or scrap iron: These are thoughtfully integrated into the mix to enhance the reduction process during fusion.
Anthracite coal: This serves as an essential reducing agent in the process.
Fusion:
Electric Arc Furnace (EAF): Our expertly prepared mixture is introduced to an electric arc furnace, which achieves extraordinary temperatures of 2000-2200°C (3632-3992°F) through electric arcs between carbon electrodes.
Reduction and Fusion: At these searing temperatures, alumina from bauxite liquefies and engages with carbon from anthracite, forming molten alumina. Iron and other impurities are efficiently minimized and separated.
Cooling:
Cooling the Molten Alumina: The molten magic is carefully poured into molds or onto a cooling floor. This meticulously controlled cooling is vital for attaining the ideal crystal structure and size.
Formation of Ingots: As the molten alumina cools, it solidifies into robust ingots or blocks of fused alumina, ready for the next stage.
Crushing and Grinding:
Primary Crushing: The solidified ingots undergo initial breakdown through jaw crushers or other robust machinery.
Secondary Crushing and Grinding: The material is further refined, pulverized into smaller, finer sizes using cone crushers, roll crushers, and ball mills, achieving the precise particle size desired.
Magnetic Separation:
Removing Metallic Impurities: The pulverized material is channeled through magnetic separators, ensuring a clean product free of residual iron particles and other metallic impurities.
Sieving and Classification:
Particle Size Distribution: The finely crushed and purified alumina is elegantly sieved into various grades by particle size using vibrating screens and air classifiers, setting the stage for excellence.
Quality Control: Every batch undergoes rigorous tests for chemical composition, particle size distribution, and strict adherence to quality parameters, ensuring it surpasses industry benchmarks.
Brown fused alumina stands as a cornerstone in various industrial applications, celebrated for its exceptional hardness, robust toughness, and impressive high melting point:
Abrasives: It plays a pivotal role in the creation of grinding wheels, sandpaper, blasting media, and a plethora of abrasive products, ensuring premium performance.
Refractories: Essential in crafting refractory bricks, castables, and materials engineered to endure extreme temperatures with unwavering reliability.
Surface Preparation: Perfectly suited for cleaning, deburring, and preparing surfaces, particularly in demanding sectors like metalworking and automotive industries.
Ceramics: Integral to ceramic products that demand high durability and exceptional resistance to thermal shock, fulfilling stringent industry requirements.
| 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 available in practical 200 L (53 gallons) drums.
Material: Manufactured from robust metal or high-density polyethylene.
Features: Secured with tamper-evident seals, resistant to moisture, and stackable for efficient storage solutions.
Applications: Ideal for scenarios requiring additional protection from environmental factors or ease of handling in automated processes.
Custom Packaging:
Options: Customized packaging solutions crafted to meet specific customer requirements.
Features: Custom weights, materials, and labeling options designed to meet particular needs.
Applications: Perfect for specialized industries or unique applications that demand specific packaging standards.
Labeling and Documentation:
Identification: Each package is meticulously labeled with critical product information, including grade, grit size, weight, and batch number.
Safety Information: Labels include all necessary safety and handling instructions for user assurance.
Compliance: Packaging adheres to international shipping regulations and industry standards, ensuring compliance and safety.
Luoyang Frere Import and Export Trading Co., Ltd. stands as a beacon of excellence in the trading landscape, with a focus on refractory materials and top-tier abrasive media. Adopting a synergistic approach that melds both industry and trade, we proudly feature state-of-the-art testing facilities and unmatched technical proficiency. Nestled in Luoyang city, Henan province, our two manufacturing powerhouses have honed their craft over 24 years, specializing in the production of premium Brown Fused Alumina (BFA) and White Fused Alumina (WFA), setting the benchmark for quality and reliability.
With our solidified factory alliances, we are poised to deliver cutting-edge Cutting Wheels, Grinding Wheels, and Flap Discs at highly competitive price points. Our product range enjoys significant acclaim and trust across markets, skillfully fulfilling the dynamic economic and social market needs. Our unwavering pledge to quality and customer satisfaction ensures that our offerings consistently ascend to the pinnacle of industry standards.
At Luoyang Frere, we cherish enduring partnerships and are enthusiastic about the prospect of collaborating with your prestigious company. Our dedicated team stands ready to address your needs and propel your success in the near future, forging a path of mutual growth and achievement.
At Frere Company, our commitment to our customers goes far beyond the initial purchase. We offer a comprehensive after-sales service designed to ensure your ongoing satisfaction and success with our high-quality products. When you choose us as your trusted supplier of abrasives and refractory materials, you can expect unparalleled support every step of the way:
1. Unmatched Technical Support:
Leverage the expertise of our seasoned engineers and technical specialists who are always on hand to offer their insights and guidance. Whether you require assistance in selecting the right product, mastering application techniques, or resolving technical issues, our team is dedicated to helping you achieve exceptional results.
2. Comprehensive Product Training:
Empower your team with our extensive training programs that ensure full proficiency in the safe and effective use of our products. Our training encompasses a wide range of topics, from basic handling procedures to advanced application strategies, all tailored to meet your unique requirements.
3. Robust Warranty and Efficient Repairs:
Benefit from our solid warranty coverage on all products. In the rare case of a defect or issue, our dedicated service team is ready to provide prompt repairs or replacements to minimize any disruption to your operations.
4. Proactive Regular Follow-ups:
Experience the benefits of our proactive approach to customer service. We conduct regular follow-ups to assess product performance and gather valuable feedback, allowing us to refine and enhance our offerings to better meet your needs.
5. Expert Maintenance Services:
Maximize product longevity and efficiency with our professional maintenance services. Our specialists can assist in the creation of a custom maintenance schedule and provide on-site expertise to ensure your equipment remains in top condition.
6. Swift Rapid Response:
In case of an urgent issue, our rapid response team is ready to provide immediate support. We recognize the importance of time in your operations and are committed to resolving any problems with the utmost speed and efficiency.
7. Extensive Spare Parts Availability:
Ensure seamless operations with our extensive inventory of spare parts. Our streamlined logistics network guarantees fast delivery, minimizing downtime and keeping your operations running at peak performance.
8. Engaging Customer Feedback Loop:
Your feedback is a cornerstone of our improvement process. We actively seek your opinions on our products and services, using your insights to drive ongoing enhancements. Our objective is to exceed your expectations with every interaction.
9. Around-the-Clock Customer Service:
Benefit from our 24/7 customer service team ready to address any concerns or inquiries, no matter how big or small. Whether you have a simple question or require immediate assistance in an emergency, we are here to support you at all times.
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