| Customization: | Available |
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| Natural Abrasive Type: | Fused Alumina |
| Artificial Abrasive Type: | Corundum Abrasives |
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Brown Fused Alumina, often referred to as Brown Aluminum Oxide, is a top-tier synthetic mineral celebrated for its extraordinary hardness and unrivaled wear resistance. Meticulously crafted through an intricate process, it involves the fusion of bauxite, iron filings, and anthracite within a high-temperature electric arc furnace. This process is followed by precise cooling, crushing, and screening to achieve superior quality. Its distinctive physical and chemical characteristics render it an indispensable element across a wide array of industrial applications, ensuring peak performance and robust 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% |
The artful creation of brown fused alumina (BFA) is a masterfully orchestrated multi-stage process. Each step, from raw material preparation to fusion, cooling, crushing, and meticulous classification, is flawlessly executed. Let's dive into the intricate details of this extraordinary process:
Raw Material Preparation:
Bauxite: The essence of our production process, bauxite is meticulously handpicked for its high alumina (Al2O3) content and minimal impurities, setting a high bar for quality and laying the groundwork for excellence.
Iron filings or scrap iron: Skillfully blended to facilitate the reduction process during fusion, these materials enhance overall process efficiency.
Anthracite coal: This exceptional reducing agent plays a crucial role in the fusion process, contributing significantly to the transformation.
Fusion:
Electric Arc Furnace (EAF): The expertly prepared mixture is introduced to an electric arc furnace, where it encounters searing temperatures of 2000-2200°C (3632-3992°F), courtesy of electric arcs from carbon electrodes. This ignites the transformation process.
Reduction and Fusion: Under these extreme conditions, bauxite's alumina melts, interacting with the carbon in anthracite to produce molten alumina, while impurities are reduced and effectively separated.
Cooling:
Cooling the Molten Alumina: The molten alumina is deftly poured into molds or onto a cooling floor. This controlled cooling is vital for achieving the desired crystal structure and size.
Formation of Ingots: As cooling continues, the material solidifies into impressive ingots or blocks of gleaming fused alumina.
Crushing and Grinding:
Primary Crushing: The robust cooled ingots are initially broken down by jaw crushers or similar heavy machinery, setting the stage for further refinement.
Secondary Crushing and Grinding: During this stage, the material is meticulously crushed and ground to smaller sizes using cone crushers, roll crushers, and ball mills, until the perfect particle size is achieved.
Magnetic Separation:
Removing Metallic Impurities: The finely ground material undergoes magnetic separation, which excels at removing iron particles and other metallic impurities, ensuring superior purity.
Sieving and Classification:
Particle Size Distribution: The refined alumina is systematically sieved into various grades based on particle size. This is achieved with high precision using vibrating screens and air classifiers.
Quality Control: Every batch is subjected to rigorous testing for chemical composition, particle size distribution, and other quality metrics, ensuring compliance with industry standards and extraordinary quality.
Brown fused alumina is celebrated across a multitude of industrial sectors for its remarkable hardness, impressive toughness, and high melting point that makes it indispensable:
Abrasives: Esteemed for its role as a key component, brown fused alumina is instrumental in the manufacture of grinding wheels, sandpaper, blasting media, and a variety of other premium abrasive products. Its exceptional hardness ensures longevity and performance.
Refractories: This robust material is essential in fabricating refractory bricks, castables, and other products engineered to withstand extreme temperatures. Brown fused alumina's reliability shines in high-heat applications.
Surface Preparation: Brown fused alumina is the ideal choice for tasks such as cleaning, deburring, and surface preparation across metalworking, automotive, and other precision industries. Its effectiveness ensures meticulous results every time.
Ceramics: Serving as a critical ingredient, brown fused alumina enhances ceramic products that demand exceptional durability and resistance to thermal shock, ensuring both longevity and peak performance even in challenging environments.
| 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: Commonly available in 200 L (53 gallons) drums, these containers are a reliable choice for substantial quantities.
Material: Constructed from durable metal or high-density polyethylene, ensuring maximum strength and reliability.
Features: With tamper-evident seals and moisture-resistant design, these stackable containers optimize space while safeguarding contents.
Applications: Ideal for scenarios demanding protection from environmental factors or for smooth handling in automated processes.
Custom Packaging:
Options: Offering bespoke packaging solutions designed precisely to meet specific customer requirements.
Features: Custom weights, materials, and labeling options are available to cater to individual needs and preferences.
Applications: Perfectly suited for specialized industries or unique applications requiring specific packaging standards.
Labeling and Documentation:
Identification: Each package is clearly labeled with comprehensive product info, including grade, grit size, weight, and batch number.
Safety Information: Labels are meticulously detailed with essential safety and handling instructions.
Compliance: Packaging strictly adheres to international shipping regulations and industry standards, ensuring safe transit and peace of mind.
Luoyang Frere Import and Export Trading Co., Ltd. stands as a beacon of innovation and excellence in the trading world, with an exceptional focus on refractory materials and abrasive media. Skillfully merging deep industry insight with profound trade expertise, our company is proud to offer state-of-the-art testing facilities and unmatched technical prowess. Situated in the vibrant heart of Luoyang city, Henan province, our two distinguished factories boast a rich legacy of 24 years in the artful production of both Brown Fused Alumina (BFA) and White Fused Alumina (WFA).
Rooted in strong factory alliances, we provide an exquisite selection of Cutting Wheels, Grinding Wheels, and Flap Discs at astoundingly competitive prices. Our products are celebrated worldwide for their ability to seamlessly meet the ever-evolving economic and social demands of today's market. With an unwavering commitment to quality and complete customer satisfaction, our offerings consistently reach the zenith of excellence and reliability.
At Luoyang Frere, we treasure longstanding partnerships and are eager to forge a meaningful alliance with your esteemed company. Our dedicated team is prepared to bolster your ventures, playing a significant role in propelling your imminent success and growth.
At Frere Company, your satisfaction is our commitment, extending far beyond the initial sale. Our meticulously crafted after-sales service ensures a seamless and rewarding experience with our products. When you choose us as your preferred supplier in abrasives and refractories, here's the exceptional service you can look forward to:
1. Unmatched Technical Support:
Our team of expert engineers and seasoned technical specialists stands ready to deliver unparalleled guidance. Whether you're selecting the ideal product, mastering advanced application techniques, or seeking troubleshooting solutions, our dedication ensures flawless results.
2. Comprehensive Product Training:
Empower your team with our detailed training programs designed to impart crucial knowledge for the efficient and safe use of our products. From fundamental handling to advanced application strategies, our sessions are tailored to your specific needs.
3. Robust Warranty and Repairs:
Our products come with a robust warranty. In the event of any issues, our dedicated service team is primed to deliver prompt repairs or replacements, minimizing any operational disruptions.
4. Proactive Regular Follow-ups:
We believe in proactive engagement. Our team regularly checks in to evaluate product performance and capture your valuable insights. This continuous cycle allows us to fine-tune our offerings, ensuring they align perfectly with your evolving needs.
5. Expert Maintenance Services:
To extend the lifespan and boost efficiency, we offer specialized maintenance services. Our experts can help devise a maintenance schedule and provide on-site support to keep your equipment in prime condition.
6. Swift Rapid Response:
For critical issues, our rapid response team is ready to offer immediate assistance. Understanding the importance of timely intervention, we address problems with the utmost speed and effectiveness.
7. Extensive Spare Parts Availability:
We maintain an extensive inventory of spare parts to ensure you swiftly receive needed components. Our efficient logistics guarantee rapid delivery, minimizing downtime and ensuring smooth operations.
8. Continuous Customer Feedback Loop:
Your feedback is invaluable to us. We actively seek your insights on our products and services, using them as a catalyst for continual enhancement. Our goal is to consistently exceed your expectations.
9. Around-the-Clock 24/7 Customer Service:
Our dedicated customer service team is available 24/7 to address any questions or concerns. Whether a simple inquiry or a pressing issue, we are here to provide steadfast support, ensuring your peace of mind at all times.
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