| Customization: | Available |
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| Natural Abrasive Type: | Fused Alumina |
| Artificial Abrasive Type: | Corundum Abrasives |
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Brown Fused Alumina, also revered as Brown Aluminum Oxide, stands as a top-tier synthetic mineral celebrated for its extraordinary hardness and unparalleled wear resistance. Crafted through an intricate procedure that involves the fusion of bauxite, iron filings, and anthracite within a high-temperature electric arc furnace, it is subjected to rigorous cooling, crushing, and screening processes to guarantee superior quality. The distinct physical and chemical properties of this product render it indispensable for a wide array of industrial applications, providing unmatched performance and longevity.
| 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 artful creation of brown fused alumina (BFA) unfolds through a sophisticated multi-stage process, masterfully orchestrated to encompass raw material preparation, fusion, controlled cooling, precise crushing, and meticulous classification. Embark on an insightful exploration of this unparalleled process:
Raw Material Preparation:
Bauxite: The foundation of our production, bauxite is carefully selected for its high alumina (Al2O3) content and minimal impurities, establishing the benchmark for superior quality and excellence.
Iron filings or scrap iron: Cleverly incorporated to optimize the reduction process during fusion, boosting overall efficiency and performance.
Anthracite coal: Employed as a crucial reducing agent, playing a vital role in the intricate fusion process.
Fusion:
Electric Arc Furnace (EAF): The meticulously prepared mixture is introduced to an electric arc furnace, where it encounters soaring temperatures of 2000-2200°C (3632-3992°F), generated by electric arcs from carbon electrodes, igniting a transformative journey.
Reduction and Fusion: At these extraordinary temperatures, the alumina in bauxite melts, engaging intimately with anthracite's carbon to produce molten alumina, while iron and other impurities are reduced and effectively segregated.
Cooling:
Cooling the Molten Alumina: The molten alumina is expertly poured into molds or onto a cooling floor, where controlled cooling is pivotal in shaping the desired crystal structure and size.
Formation of Ingots: As cooling advances, the material crystallizes into impressive ingots or blocks of distinguished fused alumina.
Crushing and Grinding:
Primary Crushing: Sturdy cooled ingots undergo an initial breakdown by jaw crushers or similar heavy machinery, setting the stage for further refinement.
Secondary Crushing and Grinding: During this phase, the material undergoes meticulous crushing and grinding into smaller sizes through cone crushers, roll crushers, and ball mills, persisting until the perfect particle size is achieved.
Magnetic Separation:
Removing Metallic Impurities: The finely ground material is passed through magnetic separators, excelling at removing iron particles and other metallic impurities, ensuring high purity.
Sieving and Classification:
Particle Size Distribution: The refined alumina is systematically sieved into various grades based on particle size, utilizing state-of-the-art vibrating screens and air classifiers to achieve unmatched precision.
Quality Control: Every batch undergoes rigorous testing for chemical composition, particle size distribution, and other quality metrics, ensuring compliance with industry standards and guaranteeing remarkable quality.
Brown fused alumina stands as a beacon of excellence across diverse industries, renowned for its exceptional hardness, outstanding toughness, and elevated melting point. These properties render it an essential material:
Abrasives: This extraordinary substance is a pivotal element in crafting high-quality grinding wheels, reliable sandpaper, effective blasting media, and an array of other top-tier abrasive products.
Refractories: Integral to the production of refractory bricks, versatile castables, and a host of other sturdy materials, it is designed to endure and perform under extreme temperature conditions.
Surface Preparation: Perfectly suited for tasks such as cleaning, deburring, and meticulous surface preparation, it excels in the realms of metalworking, automotive, and other high-precision industries.
Ceramics: A vital component in the creation of ceramic products, it imparts exceptional durability and resilience against thermal shock, guaranteeing longevity and superior 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:
Weight: Typically offered in convenient 200 L (53 gallons) drums to meet varied needs.
Material: Constructed from robust metal or high-density polyethylene, ensuring stability and longevity.
Features: Equipped with tamper-evident seals, these moisture-resistant containers are stackable, optimizing your storage space.
Applications: Perfect for situations requiring high environmental protection or automated handling efficiency.
Custom Packaging:
Options: Tailored packaging solutions that meet your precise specifications, ensuring your unique requirements are met.
Features: Allows customization in weights, materials, and labeling to match your specific needs and branding preferences.
Applications: Best suited for specialized industries or unique applications that demand custom packaging criteria.
Labeling and Documentation:
Identification: Each package is marked with detailed product information, including grade, grit size, weight, and batch number for easy tracking.
Safety Information: Labels include essential safety and handling instructions to ensure user safety.
Compliance: Our packaging meets rigorous international shipping and industry standards, ensuring secure and compliant transportation.
Luoyang Frere Import and Export Trading Co., Ltd. stands as an eminent leader in the world of trade, with a laser-focused specialization in the domain of refractory materials and abrasive media. By seamlessly merging profound industry knowledge with exceptional trade expertise, our company takes pride in its cutting-edge testing facilities and unmatched technical capabilities. Located in the vibrant heart of Luoyang city in Henan province, our two renowned factories boast a venerable legacy spanning 24 years in the production of premium Brown Fused Alumina (BFA) and White Fused Alumina (WFA).
Built upon a solid foundation of robust factory alliances, we provide a distinguished array of Cutting Wheels, Grinding Wheels, and Flap Discs, all offered at truly competitive prices. Our products are revered and trusted worldwide, effortlessly catering to the diverse and intricate economic and social needs of today's sophisticated market. Our steadfast dedication to superior quality and utmost customer satisfaction guarantees that our products consistently reach the zenith of excellence and reliability.
At Luoyang Frere, we deeply value long-lasting partnerships and eagerly look forward to the opportunity of collaborating with your esteemed company. Our devoted team is poised and ready to bolster your ventures and play an instrumental role in your forthcoming achievements and expansion.
At Frere company, we are deeply committed to forging lasting relationships with our clients, extending our responsibilities well beyond the point of sale. Our after-sales service is meticulously designed to ensure your continued satisfaction and success with our premium products. When you choose us as your trusted abrasive and refractory supplier, expect nothing but exceptional support:
1. Technical Support:
Our team of highly skilled engineers and technical specialists stands ready to deliver extraordinary guidance and comprehensive assistance. Whether you need advice on selecting the perfect product, mastering advanced application techniques, or overcoming troubleshooting hurdles, we are dedicated to helping you achieve outstanding outcomes.
2. Product Training:
We offer in-depth training programs to equip your team with the essential knowledge and skills for using our products effectively and safely. Our training covers everything from fundamental handling practices to expert application techniques, all tailored to suit your specific needs.
3. Warranty and Repairs:
With a robust warranty backing our products, you can rest assured knowing that if any issues arise, our dedicated service team is prepared to offer prompt repairs or replacements, ensuring minimal disruption to your valuable operations.
4. Regular Follow-ups:
We believe in proactive customer engagement. Our team conducts regular follow-ups to evaluate product performance and solicit your invaluable feedback. This continuous loop enables us to refine and tailor our solutions to fit your evolving needs flawlessly.
5. Maintenance Services:
To maximize the longevity and efficiency of our products, we provide expert maintenance services. Our specialists can assist in devising a comprehensive maintenance schedule and offer on-site support to ensure your equipment remains in optimal condition.
6. Rapid Response:
In urgent situations, our rapid response team is ready to deliver immediate, effective support. Aware of the time-sensitive nature of your operations, we address issues with the highest level of speed and efficiency.
7. Spare Parts Availability:
Our extensive inventory of spare parts guarantees that you receive the necessary components swiftly. With a streamlined logistics network, we ensure quick delivery, reducing downtime and fostering uninterrupted operations.
8. Customer Feedback Loop:
Your feedback is invaluable to us. We actively seek your insights on our products and services, utilizing them to drive continuous improvements. Our aim is to not just meet but exceed your expectations at every possible touchpoint.
9. 24/7 Customer Service:
Our dedicated customer service team is available 24/7, ready to address any questions or concerns you might have. Whether it's a simple inquiry or an urgent issue, we are here to provide unwavering, reliable support at all times.
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