| Customization: | Available |
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| Natural Abrasive Type: | Fused Alumina |
| Artificial Abrasive Type: | Corundum Abrasives |
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Brown Fused Alumina, renowned in the industry as Brown Aluminum Oxide, is a synthetic mineral material treasured for its remarkable hardness and extraordinary wear resistance. Meticulously crafted through the controlled melting of bauxite, iron filings, and anthracite in a high-temperature electric arc furnace, followed by a carefully orchestrated cooling, crushing, and screening process, this exceptional product possesses unmatched physical and chemical properties. Its superior attributes render it indispensable and highly sought after across a multitude 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 of brown fused alumina (BFA) is a meticulous multi-step journey that begins with the careful preparation of raw materials and progresses through stages of fusion, cooling, and innovative classification. Below is an in-depth exploration of each phase in this sophisticated process:
Raw Material Preparation:
Bauxite: Our primary raw ingredient, bauxite, is rich in alumina (Al2O3). We meticulously select bauxite to ensure it possesses the optimal alumina content and minimal impurities for superior quality.
Iron filings or scrap iron: These elements are incorporated into the mixture to enhance the reduction process during the fusion stage.
Anthracite coal: This acts as a crucial reducing agent, facilitating the transformation process.
Fusion:
Electric Arc Furnace (EAF): The precision-prepared mixture is introduced into a state-of-the-art electric arc furnace. Here, intense heat of approximately 2000-2200°C (3632-3992°F) is generated through electric arcs between carbon electrodes.
Reduction and Fusion: Under these extreme conditions, the alumina contained in bauxite melts and interacts with carbon from anthracite, leading to the creation of molten alumina while reducing and eliminating iron and other impurities.
Cooling:
Cooling the Molten Alumina: The molten alumina is carefully extracted from the furnace and allowed to cool in molds or on cooling floors, a critical process that determines the precise crystal structure and size.
Formation of Ingots: During the cooling phase, the material solidifies into substantial ingots or blocks of high-grade fused alumina.
Crushing and Grinding:
Primary Crushing: These solidified ingots are initially broken down using robust jaw crushers or other heavy-duty machinery.
Secondary Crushing and Grinding: The material undergoes further crushing and grinding with cone crushers, roll crushers, and ball mills until the requisite particle size is attained, ensuring the perfect consistency for application.
Magnetic Separation:
Removing Metallic Impurities: The finely ground material is passed through magnetic separators to meticulously remove any residual iron particles and other metallic impurities, guaranteeing purity.
Sieving and Classification:
Particle Size Distribution: The thoroughly crushed and purified alumina is then sieved into various grades according to particle size. This is achieved using advanced vibrating screens and air classifiers to ensure precise grading.
Quality Control: Stringent testing is conducted on each batch to verify its chemical composition, particle size distribution, and other quality metrics, ensuring compliance with industry standards and customer expectations.
Brown fused alumina is treasured across numerous industrial domains for its unparalleled hardness, exceptional toughness, and remarkably high melting point, making it an indispensable asset:
Abrasives: It is a key component in the formulation of grinding wheels, sandpaper, blasting media, and a plethora of other abrasive products, delivering superior performance and lasting efficacy.
Refractories: Integral in the crafting of refractory bricks, castables, and diverse materials tailored to endure and thrive under extreme temperatures.
Surface Preparation: Crucial for the meticulous cleaning, deburring, and priming of surfaces, this material serves brilliantly in sectors like metalworking and automotive, ensuring flawless finishes.
Ceramics: A vital ingredient in ceramic products demanding exceptional durability and resilience against thermal shock, enhancing both longevity and 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: Robust protection for your abrasive grains.
Weight: Available in substantial 200 L (53 gallons) drums for secure storage.
Material: Composed of sturdy metal or high-density polyethylene to withstand environmental challenges.
Features: Equipped with tamper-evident seals, designed for moisture resistance, and stackable for optimized storage.
Applications: Essential for scenarios requiring enhanced environmental protection or automated handling.
Custom Packaging: Catering to your unique needs.
Options: Bespoke packaging solutions tailored to your specific requirements.
Features: Custom weights, materials, and labeling options to perfectly match your specifications.
Applications: Perfectly suited for specialized sectors or distinctive applications needing unique packaging standards.
Labeling and Documentation: Clarity and compliance are key.
Identification: Each package bear clear labels detailing product information such as grade, grit size, weight, and batch number for easy identification.
Safety Information: Labels provide all necessary safety and handling instructions for user assurance.
Compliance: Packaging adheres strictly to international shipping regulations and industry standards, ensuring global compatibility.
Luoyang Frere Import and Export Trading Co., Ltd. stands as an esteemed leader in the trading domain, with a profound specialization in refractory materials and abrasive media. Our integrated approach seamlessly blends industrial acumen with trading proficiency, empowering us with state-of-the-art testing facilities and unparalleled technical expertise. Anchored by our two strategically located factories in Luoyang city, Henan province, we bring an impressive 24 years of experience in crafting superior quality Brown Fused Alumina (BFA) and White Fused Alumina (WFA).
Capitalizing on our formidable factory alliances, we deliver top-tier Cutting Wheels, Grinding Wheels, and Flap Discs at highly competitive prices. Our products have garnered widespread recognition and trust, adeptly navigating the shifting economic and social landscapes. With an unwavering commitment to quality and customer satisfaction, we diligently ensure our offerings consistently surpass the highest industry standards.
At Luoyang Frere, we cherish the essence of long-term partnerships and are genuinely excited for the opportunity to collaborate with your esteemed company. Our dedicated team is poised to support your needs, aspiring to contribute to your prosperous future success.
At Frere Company, our commitment to customer satisfaction is unwavering, extending far beyond the initial purchase. Our meticulous after-sales service is crafted to ensure your enduring satisfaction and the thriving success of your operations with our exquisite products. Discover the exceptional benefits awaiting you when you partner with us as your premier abrasive and refractory supplier:
1. Exemplary Technical Support:
Our distinguished team of adept engineers and technical specialists stands ready to bestow expert advice and unwavering support. Whether you require guidance in product selection, mastery of application techniques, or adept troubleshooting, we are dedicated to assisting you in achieving unparalleled results.
2. Comprehensive Product Training:
Our meticulously designed training programs empower your team with the expertise to utilize our products both effectively and safely. From fundamental handling to sophisticated application methods, our training is customized to meet your unique needs, ensuring optimal performance.
3. Reliable Warranty and Swift Repairs:
Every product we offer is backed by a formidable warranty. Should any issues arise, our devoted service team ensures prompt repairs or replacements, minimizing any disruption to your operations and guaranteeing peace of mind.
4. Proactive Regular Follow-ups:
We champion proactive customer service, conducting regular follow-ups to assess product performance and gather valuable feedback. This enables us to continuously refine and tailor our offerings to align perfectly with your expectations.
5. Essential Maintenance Services:
To extend the longevity and maximize the efficacy of our products, we provide comprehensive maintenance services. Our specialists assist in developing a maintenance schedule while offering on-site support to ensure your equipment operates at peak performance.
6. Swift Rapid Response Team:
In the face of urgent issues, our swift rapid response team is at your service, providing immediate assistance. Understanding the critical nature of time in your operations, we prioritize rapid resolution to any challenges you encounter.
7. Extensive Spare Parts Availability:
Our expansive spare parts inventory guarantees swift access to essential components. Coupled with our efficient logistics network, we ensure rapid delivery, minimizing downtime and sustaining the seamless flow of your operations.
8. Engaging Customer Feedback Loop:
Your insights are of utmost value to us. We actively solicit your feedback on our products and services, leveraging it to drive perpetual enhancements. Our mission is to surpass your expectations with every interaction.
9. Unwavering 24/7 Customer Service:
Our devoted customer service team stands ready 24/7 to address any concerns or queries you may have. Whether you require assistance with a simple inquiry or face an urgent situation, we are steadfastly here to support you at all times.
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