| Customization: | Available |
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| Natural Abrasive Type: | Fused Alumina |
| Artificial Abrasive Type: | Corundum Abrasives |
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Brown Fused Alumina, also known as Brown Aluminum Oxide, is a premium synthetic mineral, celebrated for its extraordinary hardness and unrivaled wear resistance. Crafted with precision through an elaborate fusion process, it blends bauxite, iron filings, and anthracite within a high-temperature electric arc furnace. The result is a flawless product, achieved through meticulous cooling, crushing, and screening methods, guaranteeing superior quality. Its distinct physical and chemical attributes render it indispensable in a wide array of industrial applications, promising optimal 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) is a multi-stage process, flawlessly orchestrated to include raw material preparation, fusion, cooling, crushing, and meticulous classification. Here's an insightful exploration of this remarkable process:
Raw Material Preparation:
Bauxite: As the cornerstone of our production, our handpicked bauxite is rich in alumina (Al2O3) content. This ensures premium quality with minimal impurities, setting the stage for unparalleled excellence.
Iron filings or scrap iron: These are seamlessly integrated into the blend to facilitate a more efficient reduction process during fusion, enhancing the overall production efficiency.
Anthracite coal: Employed as a potent reducing agent, it plays an instrumental role throughout the fusion process.
Fusion:
Electric Arc Furnace (EAF): The expertly prepared mixture is introduced into an electric arc furnace. Here, temperatures soar to a breathtaking 2000-2200°C (3632-3992°F) via electric arcs from carbon electrodes, igniting the transformative journey of raw materials.
Reduction and Fusion: Amidst these extreme temperatures, the alumina in bauxite melts, merging with anthracite's carbon to yield molten alumina. Concurrently, iron and other impurities are effectively reduced and segregated, ensuring purity.
Cooling:
Cooling the Molten Alumina: The molten alumina is expertly poured into molds or onto a cooling floor. Controlled cooling plays a pivotal role here, crafting the desired crystal structure and size with precision.
Formation of Ingots: As cooling progresses, the material solidifies into grand ingots or blocks of illustrious fused alumina, ready for further refinement.
Crushing and Grinding:
Primary Crushing: The robust cooled ingots meet initial breakdown by jaw crushers or similar heavy machinery, paving the way for precise refinement.
Secondary Crushing and Grinding: This stage involves meticulous crushing and grinding to smaller sizes through cone crushers, roll crushers, and ball mills, persisting until the perfect particle size is attained.
Magnetic Separation:
Removing Metallic Impurities: The finely ground material traverses through magnetic separators. These excel at eliminating iron particles and other metallic impurities, ensuring the highest purity level.
Sieving and Classification:
Particle Size Distribution: The refined alumina is systematically sieved into various grades based on particle size. Vibrating screens and air classifiers are utilized to achieve this precision with great accuracy.
Quality Control: Every batch undergoes rigorous testing for chemical composition, particle size distribution, and other quality metrics, guaranteeing adherence to industry standards and maintaining exceptional quality.
Brown fused alumina stands as a beacon of excellence across a diverse range of industrial sectors, celebrated for its outstanding hardness, remarkable toughness, and high melting point, making it an indispensable asset:
Abrasives: This indispensable element is central in crafting superior grinding wheels, precise sandpaper, efficient blasting media, and a variety of other premium-grade abrasive products.
Refractories: A vital component in the creation of refractory bricks, versatile castables, and other durable materials engineered to endure extreme temperatures with exceptional reliability.
Surface Preparation: The perfect choice for meticulous cleaning, effective deburring, and thorough surface preparation tasks in metalworking, automotive, and other precision-driven industries.
Ceramics: Serving as a crucial ingredient in ceramic products, it ensures exceptional durability and superb resistance to thermal shock, guaranteeing longevity 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:
Weight: Normally available in 200 L (53 gallons) drums.
Material: Fabricated from durable metal or high-density polyethylene for optimal strength.
Features: Secured with tamper-evident seals and designed to be moisture-resistant, these containers are stackable for space-saving storage.
Applications: Employed when additional protection from environmental factors is paramount, or for streamlined handling in automated processes.
Custom Packaging:
Options: Bespoke packaging solutions tailored precisely to specific customer requirements.
Features: Offers custom weights, materials, and labeling options to cater to particular needs and preferences.
Applications: Ideally suited for specialized industries or unique applications necessitating specific packaging standards.
Labeling and Documentation:
Identification: Every package is distinctly labeled with comprehensive product information, including grade, grit size, weight, and batch number.
Safety Information: Labels are detailed with crucial safety and handling instructions.
Compliance: Packaging adheres strictly to international shipping regulations and industry standards, ensuring peace of mind during transit.
Luoyang Frere Import and Export Trading Co., Ltd. stands as a beacon of excellence and innovation in the trading industry. Our unrivaled specialization in refractory materials and abrasive media sets us apart as leaders in the field. Marrying deep industry insight with exceptional trade acumen, we boast cutting-edge testing facilities and unmatched technical expertise. Situated at the heart of Luoyang city, Henan province, our two renowned factories embody a legacy of 24 years in crafting superior quality Brown Fused Alumina (BFA) and White Fused Alumina (WFA), symbolizing our commitment to excellence.
Built upon robust factory partnerships, we offer a distinguished selection of Cutting Wheels, Grinding Wheels, and Flap Discs, all at impressively competitive prices. Our products are revered and trusted on the global stage, adeptly meeting the intricate economic and social needs of today's ever-evolving market. With an unwavering focus on quality and customer satisfaction, we ensure that our products consistently achieve the highest standards of excellence and reliability.
At Luoyang Frere, we value long-lasting partnerships and are eager to embark on a journey of collaboration with your esteemed company. Our dedicated team stands by to support your ambitions, playing a crucial role in your forthcoming success and growth. Let's join forces to create a prosperous future together.
At Frere company, we proudly extend our commitment to customers far beyond the point of purchase. Our comprehensive after-sales service has been meticulously designed to ensure your continued satisfaction and success with our superior products. Here's the exceptional service you can expect when choosing us as your reliable supplier for abrasives and refractory materials:
1. Technical Support:
Our team of experienced engineers and technical specialists is on standby to offer exceptional advice and support. Whether you need assistance with selecting the perfect product, mastering application methods, or resolving troubleshooting issues, we are here to facilitate optimal outcomes.
2. Product Training:
We offer comprehensive training programs to equip your team with the expertise necessary for the safe and effective use of our products. From fundamental handling techniques to advanced application tactics, our sessions are tailored to address your distinctive needs.
3. Warranty and Repairs:
Our products come with a robust warranty. If any issues arise, our dedicated service team is ready to provide prompt repairs or replacements, ensuring minimal disruption to your operations.
4. Regular Follow-ups:
We are advocates of proactive customer service. Our team conducts regular follow-ups to evaluate product performance and gather your invaluable feedback. This ongoing dialogue allows us to continually refine and customize our solutions to match your expectations perfectly.
5. Maintenance Services:
To prolong the lifespan and boost the efficiency of our products, we provide expert maintenance services. Our specialists can assist in developing a maintenance schedule and provide on-site support to keep your equipment performing at its best.
6. Rapid Response:
For pressing situations, our rapid response team is ready to deliver immediate assistance. Understanding the importance of timing in your business operations, we resolve issues with utmost speed and precision.
7. Spare Parts Availability:
We maintain an extensive inventory of spare parts to ensure you receive essential components without delay. Our efficient logistics network ensures swift delivery, minimizing downtime to keep your operations running smoothly.
8. Customer Feedback Loop:
Your feedback is invaluable to us. We actively seek your opinions on our products and services, using them to drive continuous improvements. Our goal is to exceed your expectations at every stage.
9. 24/7 Customer Service:
Our dedicated customer service team is available 24/7, ready to address any questions or issues you may have. Whether it's a simple inquiry or an urgent matter, we are here to provide unwavering support at all times.
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