| 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, stands as a superior synthetic mineral that is celebrated for its extraordinary hardness and unparalleled wear resistance. Crafted through a meticulous and sophisticated process, this premium material is the result of fusing bauxite, iron filings, and anthracite in a high-temperature electric arc furnace. Following this, it undergoes precise cooling, followed by a methodical crushing and screening process to guarantee the highest quality standards. The unique physical and chemical properties intrinsic to this product render it an essential component across a wide range of industrial applications, delivering unparalleled performance and unmatched 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 intricate and artful creation of brown fused alumina (BFA) is a sophisticated multi-stage process, masterfully executed to include raw material preparation, fusion, cooling, crushing, and meticulous classification. Dive into this insightful exploration of our remarkable production process:
Raw Material Preparation:
Bauxite: As the cornerstone of our production, this mineral is handpicked for its rich alumina (Al2O3) content. Our expert selection ensures premium quality and minimal impurities, setting a high standard for excellence.
Iron filings or scrap iron: Seamlessly integrated into the blend to enhance the reduction process during fusion, significantly boosting overall efficiency.
Anthracite coal: Employed as a powerful reducing agent, anthracite plays a crucial role in the fusion process.
Fusion:
Electric Arc Furnace (EAF): The expertly prepared mixture is introduced into an electric arc furnace. Here, temperatures skyrocket to an astonishing 2000-2200°C (3632-3992°F) thanks to electric arcs from carbon electrodes, sparking the transformation process.
Reduction and Fusion: Within these intense temperatures, the alumina in bauxite melts, engaging with the carbon in anthracite to produce molten alumina. Meanwhile, iron and other impurities are effectively reduced and separated.
Cooling:
Cooling the Molten Alumina: The molten alumina is skillfully poured into molds or onto a cooling floor. Here, controlled cooling is crucial in crafting the desired crystal structure and size.
Formation of Ingots: As the cooling process advances, the material solidifies into impressive ingots or blocks of illustrious fused alumina.
Crushing and Grinding:
Primary Crushing: The resilient cooled ingots undergo initial breakdown by jaw crushers or similar heavy machinery, paving the way for further refinement.
Secondary Crushing and Grinding: At this stage, the material is meticulously crushed and ground to smaller sizes through cone crushers, roll crushers, and ball mills, continuing until the perfect particle size is achieved.
Magnetic Separation:
Removing Metallic Impurities: The finely ground material is navigated through magnetic separators, excelling at eradicating iron particles and other metallic impurities, thus ensuring purity.
Sieving and Classification:
Particle Size Distribution: The refined alumina is systematically sieved into various grades based on particle size. This process utilizes vibrating screens and air classifiers to achieve precision and accuracy.
Quality Control: Every batch is subjected to rigorous testing for chemical composition, particle size distribution, and other quality metrics, guaranteeing adherence to industry standards and exceptional quality assurance.
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: A key component in the manufacture of grinding wheels, sandpaper, blasting media, and a variety of other premium abrasive products, brown fused alumina offers unparalleled performance and reliability, ensuring the highest quality in every application.
Refractories: Essential in fabricating refractory bricks, castables, and other robust materials designed to withstand extreme temperatures, brown fused alumina is the backbone of durability and heat resistance, making it an invaluable asset in high-temperature processes.
Surface Preparation: An ideal choice for cleaning, deburring, and surface preparation tasks in metalworking, automotive, and other precision industries, brown fused alumina ensures flawless finishes and prepares surfaces for impeccable final results with its superior hardness and efficiency.
Ceramics: A critical ingredient in ceramic products that demand exceptional durability and resistance to thermal shock, brown fused alumina ensures longevity and performance, making it the preferred choice for industries that require steadfast reliability and outstanding thermal resistance.
| 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: Normally available in 200 L (53 gallons) drums.
Material: Fabricated from durable metal or high-density polyethylene for optimal strength.
Features: Secured with tamper-evident seals and designed to be moisture-resistant, these containers are stackable for space-saving storage.
Applications: Employed when additional protection from environmental factors is paramount, or for streamlined handling in automated processes.
Custom Packaging:
Options: Bespoke packaging solutions tailored precisely to specific customer requirements.
Features: Offers custom weights, materials, and labeling options to cater to particular needs and preferences.
Applications: Ideally suited for specialized industries or unique applications necessitating specific packaging standards.
Labeling and Documentation:
Identification: Every package is distinctly labeled with comprehensive product information, including grade, grit size, weight, and batch number.
Safety Information: Labels are detailed with crucial safety and handling instructions.
Compliance: Packaging adheres strictly to international shipping regulations and industry standards, ensuring peace of mind during transit.
Luoyang Frere Import and Export Trading Co., Ltd. stands as a distinguished leader in the trading industry, passionately dedicated to the highest specialization in refractory materials and abrasive media. By blending profound industry insight with expert trade proficiency, we pride ourselves on possessing cutting-edge testing facilities and unmatched technical skills. Located in the heart of Luoyang city, Henan province, our two renowned factories boast a rich legacy of 24 years in producing both Brown Fused Alumina (BFA) and White Fused Alumina (WFA), crafting products that set the standard for quality and innovation.
Built on a solid foundation of strong factory partnerships, we offer an exquisite selection of Cutting Wheels, Grinding Wheels, and Flap Discs at highly competitive prices. Our products are celebrated and trusted worldwide, efficiently meeting the dynamic and multifaceted economic and social demands of today's global market. Our unwavering dedication to quality and customer satisfaction ensures that our products consistently reach the pinnacle of excellence and reliability, making us a preferred choice for clients seeking superior solutions.
At Luoyang Frere, we value enduring partnerships and look forward to the privilege of collaborating with your esteemed company. Our dedicated team is poised to support your ventures, playing a crucial role in your forthcoming success and growth, ensuring that our collaboration brings both prosperity and innovation.
At Frere company, we hold ourselves accountable to our customers well beyond the sale. Our extensive after-sales service is crafted to guarantee your ongoing satisfaction and success with our offerings. Here's the outstanding service you can anticipate when selecting us as your trusted abrasive and refractory supplier:
1. Technical Support:
Our cadre of seasoned engineers and technical experts is at your disposal to provide unparalleled guidance and assistance. Whether you need help choosing the right product, mastering application techniques, or navigating troubleshooting challenges, we are here to ensure optimal results and outcomes that exceed expectations.
2. Product Training:
We offer comprehensive training programs designed to empower your team with the essential knowledge to employ our products both efficiently and safely. Our sessions cover everything from basic handling techniques to sophisticated application strategies, all custom-tailored to meet your distinct requirements.
3. Warranty and Repairs:
Our robust warranty provides peace of mind. If any issues arise, our dedicated service team is ready to deliver swift repairs or replacements, minimizing any potential disruptions to your operations and ensuring business continuity.
4. Regular Follow-ups:
We pride ourselves on proactive customer service. Our team conducts regular check-ins to assess product performance and gather your invaluable feedback. This cycle enables us to continually refine and tailor our solutions to align seamlessly with your evolving needs.
5. Maintenance Services:
To extend the lifespan and enhance the efficiency of our products, we offer specialized maintenance services. Our experts can assist in crafting a bespoke maintenance schedule and deliver on-site support to ensure your equipment remains in prime condition.
6. Rapid Response:
For urgent matters, our rapid response team is poised to provide immediate support. Recognizing the critical nature of timing in your business, we resolve issues with the utmost speed and efficiency to keep your operations running smoothly.
7. Spare Parts Availability:
We maintain a vast inventory of spare parts to ensure you receive necessary components without delay. Our streamlined logistics network promises swift delivery, reducing downtime and maintaining seamless operations.
8. Customer Feedback Loop:
Your insights are invaluable to us. We actively solicit your feedback on our products and services, leveraging it to drive continuous improvements. Our mission is to consistently surpass your expectations at every interaction and touchpoint.
9. 24/7 Customer Service:
Our devoted customer service team is available around the clock, ready to address any queries or issues you may encounter. Whether it's a straightforward question or an urgent situation, we are here to offer unwavering support, ensuring you're never left without assistance.
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