| 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 superbly engineered synthetic mineral that is revered for its incredible hardness and unmatched wear resistance. This remarkable material is expertly crafted by the high-temperature fusion of bauxite, iron filings, and anthracite in an electric arc furnace, followed by an intricate process of cooling, crushing, and meticulous screening. The result is a product with extraordinary physical and chemical properties, making it an essential component in a wide range of industrial applications.
| 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 production journey of our exceptional brown fused alumina (BFA) is a meticulously orchestrated series of stages. This process encompasses everything from the initial preparation of raw materials, through the intense fusion process, and onto cooling, crushing, and precise classification. Discover the intricate details of this sophisticated process below:
Raw Material Preparation:
Bauxite: Serving as the cornerstone, the primary raw material, bauxite, boasts a significant alumina (Al2O3) content. We meticulously select premium bauxite to guarantee optimal alumina levels with minimal impurities, ensuring superior quality in every batch.
Iron filings or scrap iron: These are strategically incorporated to facilitate the reduction process during the fusion phase, ensuring thoroughness and efficiency.
Anthracite coal: Employed as a pivotal reducing agent, anthracite coal plays a crucial role in the transformation process.
Fusion:
Electric Arc Furnace (EAF): The expertly prepared mixture is introduced into a state-of-the-art electric arc furnace. Within this furnace, electric arcs created between carbon electrodes generate extreme temperatures (approximately 2000-2200°C or 3632-3992°F), essential for the transformative process.
Reduction and Fusion: Under these intense temperatures, the alumina in bauxite liquefies, engaging with the carbon from anthracite to form molten alumina. Concurrently, iron and other impurities are efficiently reduced and separated.
Cooling:
Cooling the Molten Alumina: The molten alumina is then carefully extracted from the furnace and either cast into molds or spread on a cooling floor. This controlled cooling process is paramount in achieving the desired crystalline structure and size, setting the stage for exceptional quality.
Formation of Ingots: During cooling, the material solidifies into substantial ingots or blocks, forming the foundation of our fused alumina.
Crushing and Grinding:
Primary Crushing: The now-solidified ingots undergo initial breakdown through robust jaw crushers or other heavy machinery, beginning their transformation into usable materials.
Secondary Crushing and Grinding: The material is subjected to further crushing and grinding, employing an array of cone crushers, roll crushers, and ball mills, refining it meticulously to achieve the precise particle size desired.
Magnetic Separation:
Removing Metallic Impurities: To ensure purity, the ground material passes through magnetic separators, effectively eliminating any residual iron particles and metallic impurities, upholding our high standards.
Sieving and Classification:
Particle Size Distribution: The alumina, now crushed and purified, is sieved into varied grades according to particle size. This critical step utilizes precision vibrating screens and air classifiers to achieve exacting specifications and consistency across the board.
Quality Control: Each meticulously crafted batch undergoes rigorous testing for chemical composition, particle size distribution, and additional quality parameters, ensuring compliance with industry standards and delivering unmatched excellence.
Brown fused alumina, a material celebrated for its exceptional hardness, remarkable toughness, and high-temperature resilience, finds extensive applications across a spectrum of industries:
Abrasives: This potent material is integral in crafting grinding wheels, enhancing the efficiency of sandpaper, and serving as a robust blasting media, among other abrasive innovations.
Refractories: It plays a crucial role in the manufacture of refractory bricks and castables, essential components in the creation of materials designed to endure the most extreme temperatures with ease.
Surface Preparation: Trusted for its efficacy in cleaning, deburring, and preparing surfaces, brown fused alumina is indispensable in sectors such as metalworking and automotive.
Ceramics: As a vital component in ceramic products, it ensures high durability and offers resistance to thermal shock, making it an unparalleled choice for demanding ceramic applications.
| 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 available in 200 L (53 gallons) drums, these containers are designed for substantial capacity.
Material: Fabricated from high-grade metal or high-density polyethylene, ensuring durability and safety.
Features: Secured with tamper-evident seals, these drums are moisture-resistant and stackable for optimized storage efficiency.
Applications: Ideal when additional protection from environmental factors is critical, as well as for ease of handling in automated processes.
Custom Packaging:
Options: Offers bespoke packaging solutions tailored to meet specific customer requirements and preferences.
Features: Customizable weights, materials, and labeling options available to fulfill particular needs and enhance user experience.
Applications: Perfectly suited for specialized industries or unique applications that demand specific packaging standards.
Labeling and Documentation:
Identification: Every package is meticulously labeled with essential product information, including grade, grit size, weight, and batch number for clear identification.
Safety Information: Comprehensive labels include necessary safety and handling instructions to ensure proper usage.
Compliance: Packaging adheres to international shipping regulations and industry standards, ensuring safe and compliant transport.
Luoyang Frere Import and Export Trading Co., Ltd. stands as a beacon of excellence in the realm of refractory materials and abrasive media. Our distinguished trading company masterfully blends industry prowess with trade acumen, offering an unparalleled suite of services backed by state-of-the-art testing facilities and formidable technical expertise. Nestled within the vibrant Luoyang city, Henan province, our two cutting-edge factories boast an impressive 24-year legacy in the production of premium Brown Fused Alumina (BFA) and White Fused Alumina (WFA).
Harnessing the power of our strong factory alliances, Luoyang Frere provides an exquisite range of Cutting Wheels, Grinding Wheels, and Flap Discs, all offered at remarkably competitive prices. Our products are celebrated across the industry, garnering widespread recognition and trust by seamlessly adapting to the ever-changing economic and social landscapes. Our steadfast commitment to quality and customer satisfaction ensures that our products consistently uphold the highest standards, setting the benchmark in the industry.
At Luoyang Frere, we cherish the cultivation of long-term partnerships and eagerly anticipate the opportunity to collaborate with your esteemed company. Our dedicated team is poised to fulfill your needs and propel your success in the near future, while fostering a mutually beneficial and prosperous relationship.
At Frere company, we proudly extend our commitment to excellence well beyond just the purchase. Our all-encompassing after-sales service is crafted to guarantee your ongoing satisfaction and success with our exceptional products. Discover the advantages of partnering with us as your chosen abrasive and refractory supplier:
1. Technical Support:
Our seasoned team of engineers and technical specialists stands ready to deliver expert guidance and support. Whether it's product selection, application techniques, or troubleshooting, we're committed to helping you achieve unparalleled results.
2. Product Training:
We provide in-depth training programs to empower your team with the skills to use our products both effectively and safely. Our customized sessions cover everything from basic handling to advanced application methods, tailored to meet your unique needs.
3. Warranty and Repairs:
Every product is backed by our robust warranty. Encounter an issue? Our dedicated service team ensures prompt repairs or replacements, minimizing any disruptions to your operations.
4. Regular Follow-ups:
We embrace proactive customer service with routine follow-ups to assess the performance of our products and gather your valuable feedback. This enables us to continually enhance and adapt our offerings to better serve you.
5. Maintenance Services:
To ensure the longevity and peak performance of our products, we offer specialized maintenance services. Our experts will assist in developing a maintenance schedule and provide on-site support to keep your equipment running at its best.
6. Rapid Response:
In urgent situations, our rapid response team is ready to provide immediate assistance. We recognize the critical nature of your operations, and our mission is to swiftly resolve any issues.
7. Spare Parts Availability:
With an extensive stock of spare parts, we ensure fast access to necessary components. Our reliable logistics network offers speedy delivery, minimizing downtime and keeping your operations seamless.
8. Customer Feedback Loop:
Your feedback is a cornerstone of our success. By actively seeking your insights, we drive continuous improvement. Our unwavering goal is to exceed your expectations with every interaction.
9. 24/7 Customer Service:
Our devoted customer service team is accessible around the clock to handle any inquiries or concerns. From simple questions to urgent matters, we're always here to provide unwavering support.
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