| Customization: | Available |
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| Natural Abrasive Type: | Fused Alumina |
| Artificial Abrasive Type: | Corundum Abrasives |
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Brown Fused Alumina, esteemed as Brown Aluminum Oxide, is a remarkable synthetic mineral lauded for its extraordinary hardness and exceptional wear resistance. Masterfully crafted through the careful melting of select bauxite, iron filings, and premium anthracite in a high-temperature electric arc furnace, it undergoes a meticulous cooling, crushing, and screening process to achieve its superior quality. This product stands out with its unmatched physical and chemical properties, rendering it vital for a multitude of demanding industrial applications, where reliability and durability are paramount.
| 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 intricate production process of brown fused alumina (BFA) beautifully unfolds through several meticulous stages, including the preparation of raw materials, precise fusion, strategic cooling, rigorous crushing, and meticulous classification. Here's an enlightening breakdown of the process:
Raw Material Preparation:
Bauxite: The prime raw material, bauxite, is chosen with great care, ensuring a high alumina (Al2O3) concentration while maintaining minimal impurities for optimal quality.
Iron filings or scrap iron: Integrated into the blend to facilitate the reduction process during the intense fusion phase.
Anthracite coal: Employed as a potent reducing agent to drive the fusion process.
Fusion:
Electric Arc Furnace (EAF): The meticulously prepared mixture is introduced into an electric arc furnace. This furnace expertly generates extreme temperatures (approximately 2000-2200°C or 3632-3992°F), utilizing electric arcs formed between carbon electrodes.
Reduction and Fusion: Under these intense conditions, the alumina from bauxite undergoes melting and interacts with the carbon from anthracite, creating molten alumina. Concomitantly, iron and other impurities are efficiently reduced and separated.
Cooling:
Cooling the Molten Alumina: The molten alumina is thoughtfully poured out of the furnace into molds or onto a designated cooling floor. This controlled cooling process is pivotal for achieving the desired crystal structure and precise size.
Formation of Ingots: As cooling progresses, the material solidifies into substantial ingots or blocks of high-quality fused alumina.
Crushing and Grinding:
Primary Crushing: The cooled ingots undergo an initial breakdown using robust jaw crushers or other heavy-duty machinery.
Secondary Crushing and Grinding: The process continues as the material is further refined into smaller sizes through cone crushers, roll crushers, and ball mills, meticulously achieving the targeted particle size.
Magnetic Separation:
Removing Metallic Impurities: The precisely ground material is filtered through magnetic separators, effectively eliminating any lingering iron particles and metallic impurities.
Sieving and Classification:
Particle Size Distribution: The meticulously crushed and purified alumina is then sieved into various grades according to particle size. This is accomplished using state-of-the-art vibrating screens and air classifiers.
Quality Control: Every batch is subjected to comprehensive testing for chemical composition, particle size distribution, and other critical quality parameters, ensuring strict compliance with industry standards and unparalleled product excellence.
The Robust Characteristics of Brown Fused Alumina Make It an Indispensable Choice Across Diverse Industrial Domains Due to Its Exceptional Hardness, Remarkable Toughness, and High-Temperature Resilience:
Abrasives: Perfectly suited for grinding wheels, sandpaper, blasting media, and an array of abrasive products, delivering precision and durability.
Refractories: Integral in the creation of high-performance refractory bricks, castables, and various materials designed to endure extreme temperatures.
Surface Preparation: Essential for the meticulous cleaning, deburring, and conditioning of surfaces in sectors including metalworking and automotive.
Ceramics: A pivotal component in ceramic products that demand superior durability and an ability to withstand thermal shocks.
| 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 200 L (53 gallons) drums, providing an optimal balance of volume and manageability.
Material: Constructed from sturdy metal or high-density polyethylene, designed to withstand rigorous use.
Features: Secured with tamper-evident seals, moisture-resistant properties, and stackable design for space-efficient storage.
Applications: Employed when additional protection from environmental factors is essential or for streamlined handling in automated processes.
Custom Packaging:
Options: Offers bespoke packaging solutions tailored to meet specific customer requirements, ensuring satisfaction and precision.
Features: Includes custom weights, materials, and labeling options meticulously designed to meet particular needs.
Applications: Ideal for specialized industries or unique applications requiring specific packaging standards for optimal performance.
Labeling and Documentation:
Identification: Each package is unmistakably labeled with comprehensive product information, including grade, grit size, weight, and batch number for easy tracking and verification.
Safety Information: Labels are equipped with essential safety and handling instructions to ensure secure usage.
Compliance: Packaging adheres to international shipping regulations and industry standards, guaranteeing safe and hassle-free 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 illustrious journey blends the art of industry with the precision of trade, supported by state-of-the-art testing facilities and unmatched technical prowess. Nestled in the historical heart of Luoyang city, Henan province, our two esteemed factories have proudly crafted Brown Fused Alumina (BFA) and White Fused Alumina (WFA) for 24 years, a testament to our enduring legacy.
With strong alliances forged through years of collaboration, we present to you our elite range of Cutting Wheels, Grinding Wheels, and Flap Discs, all offered at competitive prices. Our dedication to quality has earned us accolades and trust from clients worldwide, allowing us to navigate the dynamic economic and social landscapes with grace. We are unwavering in our pursuit of excellence, ensuring our products consistently surpass the highest standards, ultimately enhancing customer satisfaction.
At Luoyang Frere, we cherish enduring partnerships and eagerly anticipate the privilege of collaborating with your esteemed company. Our dedicated team stands ready to cater to your requirements and propel your success story to new heights in the near future.
At Frere Company, we uphold a steadfast commitment to our valued customers that extends far beyond the point of purchase. Our all-encompassing after-sales service is meticulously crafted to guarantee your perpetual satisfaction and triumph with our premium products. When you choose us as your trusted abrasive and refractory supplier, you unlock a world of benefits designed specifically to enhance your experience:
1. Technical Support:
Our distinguished team of seasoned engineers and technical experts stands ready to offer unparalleled guidance and assistance. Whether you require insights on product selection, mastery of application techniques, or in-depth troubleshooting solutions, we are dedicated to helping you achieve exceptional outcomes.
2. Product Training:
We provide comprehensive training programs to ensure your team is proficient in utilizing our products with utmost efficacy and safety. Our sessions cover the spectrum from basic handling procedures to sophisticated application methodologies, customized to meet your unique requirements.
3. Warranty and Repairs:
Our products are backed by a robust warranty framework. In the rare event of any issues, our committed service team is poised to deliver swift repairs or replacements, minimizing any potential disruptions to your operations.
4. Regular Follow-ups:
We champion proactive customer engagement. Our team conducts regular evaluations to monitor product performance and gather invaluable feedback, enabling us to continually refine and personalize our offerings to better serve your needs.
5. Maintenance Services:
To extend the longevity and enhance the efficiency of our products, we proffer maintenance services. Our experts collaborate with you to devise a tailored maintenance schedule and provide on-site assistance to ensure your equipment remains in optimal condition.
6. Rapid Response:
In scenarios demanding urgent attention, our rapid response team is primed to deliver immediate support. We recognize the critical nature of time in your operations and are dedicated to resolving any challenges with unmatched speed.
7. Spare Parts Availability:
We sustain an extensive inventory of spare parts, ensuring swift access to essential components. Our streamlined logistics network ensures expedited delivery, minimizing downtime and ensuring the seamless continuity of your operations.
8. Customer Feedback Loop:
Your feedback is a cornerstone of our improvement process. We actively solicit your insights on our products and services, utilizing them as a catalyst for continual enhancement. Our ambition is to surpass your expectations in every interaction.
9. 24/7 Customer Service:
Our dedicated customer service team is accessible around the clock, ready to address any concerns or queries you might have. Be it a straightforward question or an urgent issue, our unwavering support is always available to you.
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