| Customization: | Available |
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| Natural Abrasive Type: | Fused Alumina |
| Artificial Abrasive Type: | Corundum Abrasives |
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Brown Fused Alumina, also recognized as Brown Aluminum Oxide, is a synthetic mineral material renowned for its remarkable hardness and outstanding wear resistance. It is meticulously crafted by melting a carefully measured mix of bauxite, iron filings, and anthracite in a high-temperature electric arc furnace. This is followed by a precise sequence of cooling, crushing, and screening processes, ensuring the product possesses unparalleled physical and chemical attributes. These exceptional qualities render it an essential component across a diverse range of industrial applications, enhancing efficiency and performance.
| 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 creation of our exceptional brown fused alumina (BFA) involves a multi-stage journey of precision-beginning with raw material preparation and culminating in the meticulous phases of fusion, cooling, crushing, and classification. Allow us to guide you through this intricate process:
Raw Material Preparation:
Bauxite: Our foundational element is high-quality bauxite, chosen meticulously for its high alumina (Al2O3) concentration and minimal impurities, setting the stage for superior end products.
Iron filings or scrap iron: Carefully incorporated to enhance the reduction process during the fusion, ensuring purity and quality in the final product.
Anthracite coal: Serves as an efficient reducing agent, propelling the transformation of raw materials.
Fusion:
Electric Arc Furnace (EAF): The expertly prepared blend is introduced into an electric arc furnace, where the magic happens! The furnace's intense heat (reaching 2000-2200°C or 3632-3992°F) from electric arcs between carbon electrodes facilitates the fusion process.
Reduction and Fusion: The high temperatures cause the alumina in bauxite to melt and interact with carbon from anthracite, resulting in pristine molten alumina. Impurities, including iron, are methodically reduced and separated.
Cooling:
Cooling the Molten Alumina: After exiting the furnace, the molten alumina is cast into molds or onto cooling floors. This controlled process is vital for attaining the desired crystal structure and particle size.
Formation of Ingots: As cooling progresses, the material transforms into robust ingots or blocks, marking a significant step toward the final product.
Crushing and Grinding:
Primary Crushing: These solidified ingots undergo primary crushing via jaw crushers or other robust machinery, breaking them down into manageable pieces.
Secondary Crushing and Grinding: Further refinement occurs as the material is crushed and ground to precise specifications using cone crushers, roll crushers, and ball mills until the ideal particle size is achieved.
Magnetic Separation:
Removing Metallic Impurities: The ground material undergoes a purification phase through magnetic separators, expertly eliminating any residual iron particles and metallic impurities.
Sieving and Classification:
Particle Size Distribution: The alumina, now refined and purified, is sieved into various grades based on particle size, employing sophisticated vibrating screens and air classifiers.
Quality Control: Each production batch undergoes rigorous testing for chemical composition, particle size distribution, and other critical quality parameters, ensuring compliance with stringent industry standards.
Brown fused alumina is the go-to choice across an array of industrial sectors, revered for its exceptional attributes such as superior hardness, remarkable toughness, and a notably high melting point:
Abrasives: Experience unparalleled efficiency with brown fused alumina in crafting grinding wheels, sandpaper, blasting media, and a multitude of abrasive products that demand precision and reliability.
Refractories: Transform your high-temperature applications with refractory bricks, castables, and other specialized materials made robust and heat-resistant by the incorporation of brown fused alumina.
Surface Preparation: Achieve immaculate results in cleaning, deburring, and surface preparation in industries such as metalworking and automotive, where meticulous precision is paramount.
Ceramics: Enhance the performance of ceramic products, ensuring high durability and exceptional resistance to thermal shock, by leveraging the unmatched qualities of brown fused alumina.
| 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.
Material: Fabricated from metal or high-density polyethylene to ensure robustness and longevity.
Features: Secured with tamper-evident seals, these drums are moisture-resistant and stackable, facilitating efficient storage.
Applications: Designed for scenarios requiring additional protection from environmental factors or for seamless handling in automated processes.
Custom Packaging:
Options: Tailored packaging solutions crafted to meet specific customer requirements for optimal satisfaction.
Features: Offers custom weights, materials, and labeling options tailored to fulfill particular needs.
Applications: Perfect for specialized industries or unique applications demanding specific packaging standards.
Labeling and Documentation:
Identification: Each package is meticulously labeled with product information, including grade, grit size, weight, and batch number, ensuring clarity and traceability.
Safety Information: Labels are inclusive of all necessary safety and handling instructions for secure usage.
Compliance: Packaging meets international shipping regulations and adheres to industry standards, guaranteeing compliance and safety during transit.
Luoyang Frere Import and Export Trading Co., Ltd. stands proudly as a leader in the trading sector, specializing in the seamless distribution of refractory materials and abrasive media. Our unique, integrated approach melds industry and commerce, supported by state-of-the-art testing facilities and deep technical prowess. Our two strategically located factories in Luoyang city, within the heart of Henan province, are the result of 24 dedicated years in the production of top-grade Brown Fused Alumina (BFA) and White Fused Alumina (WFA).
Through our robust factory alliances, we deliver superior Cutting Wheels, Grinding Wheels, and Flap Discs, all at highly competitive price points. Our products have garnered substantial recognition and trust, seamlessly adapting to the fast-paced economic and social shifts of today's market. Our unwavering commitment to excellence and customer satisfaction ensures every product we offer upholds the pinnacle of quality standards, reinforcing our reputation as a trusted industry leader.
At Luoyang Frere, we deeply cherish long-lasting partnerships and are excited about the prospect of joining forces with your esteemed company. Our dedicated team is poised and ready to meet your needs, ensuring that our collaboration propels your success in the burgeoning future landscape.
At LUOYANG FRERE IMPORT AND EXPORT TRADING CO., LTD., we are passionately committed to ensuring that our relationship with our customers flourishes well beyond the initial purchase. Our extensive after-sales service is meticulously crafted to guarantee enduring satisfaction and ultimate success with our premium products. When you select us as your preferred abrasive and refractory partner, expect a remarkable experience:
1. Technical Support:
Our distinguished team of seasoned engineers and technical maestros is poised to deliver unparalleled insights and assistance. From guiding you through product choices to perfecting application techniques or resolving challenges, we stand by your side, empowering you to attain exceptional outcomes.
2. Product Training:
Delve into our comprehensive training initiatives, designed to fully equip your team with the necessary skills to utilize our products with maximum efficiency and utmost safety. From fundamental handling procedures to sophisticated application strategies, our training is meticulously tailored to align with your distinct requirements.
3. Warranty and Repairs:
Our entire product suite is backed by an outstanding warranty. Should any issues arise, our dedicated service team is ready to deliver swift repairs or replacements, ensuring minimal disruption to your operations and sustaining productivity.
4. Regular Follow-ups:
Embracing a proactive approach to customer service, we engage in regular follow-ups to assess product performance and solicit feedback. This enables us to perpetually refine and customize our offerings, aligning them closely with your evolving needs.
5. Maintenance Services:
To extend the longevity and optimize the efficiency of our products, we offer specialized maintenance services. Our experts assist in crafting a maintenance schedule and provide on-site support, ensuring your equipment remains in peak condition.
6. Rapid Response:
In urgent situations, our rapid response team mobilizes swiftly to offer immediate assistance. Recognizing the critical nature of time in your operations, we are dedicated to resolving issues expeditiously, minimizing any potential downtime.
7. Spare Parts Availability:
With a vast inventory of spare parts at our disposal, we ensure swift access to necessary components. Our streamlined logistics network guarantees prompt delivery, curtailing downtime and maintaining seamless operations.
8. Customer Feedback Loop:
We treasure your feedback as a vital asset, actively seeking your insights on our products and services. This feedback fuels our relentless pursuit of continuous improvement, driven by our mission to surpass your expectations in every interaction.
9. 24/7 Customer Service:
Our unwavering commitment to customer service is epitomized by our round-the-clock availability. Whether addressing simple inquiries or urgent matters, our dedicated team is always ready to provide unwavering support, anytime you need it.
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