| Customization: | Available |
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| Natural Abrasive Type: | Fused Alumina |
| Artificial Abrasive Type: | Corundum Abrasives |
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Brown Fused Alumina, revered as Brown Aluminum Oxide, stands as a top-tier synthetic mineral celebrated for its remarkable hardness and unrivaled wear resistance. Crafted through an intricate process, this premier material is born from the fusion of bauxite, iron filings, and anthracite in a scorching electric arc furnace, followed by a carefully controlled cooling, crushing, and screening procedure that guarantees superior quality. The product's distinct physical and chemical attributes make it an essential element across a wide range of industrial applications, delivering exceptional performance and long-lasting 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 sophisticated production of brown fused alumina (BFA) involves a meticulous, multi-stage journey. This seamless orchestration encompasses raw material preparation, fusion, cooling, crushing, and precise classification. Let's delve into the intricacies of this extraordinary process:
Raw Material Preparation:
Bauxite: As the fundamental element of our production, this high-quality ore is carefully selected for its abundant alumina (Al2O3) content, ensuring superior quality with minimal impurities-laying the foundation for excellence.
Iron filings or scrap iron: Incorporated into the mixture, these enhance the reduction process during fusion, optimizing the overall efficiency of production.
Anthracite coal: This powerful reducing agent is crucial in the fusion phase, playing an instrumental role in the transformation process.
Fusion:
Electric Arc Furnace (EAF): The expertly composed mixture is introduced into an electric arc furnace. Here, temperatures elevate to an incredible 2000-2200°C (3632-3992°F) via electric arcs from carbon electrodes, initiating the transformation.
Reduction and Fusion: At these high temperatures, the alumina in bauxite melts and interacts with the carbon in anthracite, producing molten alumina while iron and other impurities are reduced and effectively separated.
Cooling:
Cooling the Molten Alumina: The molten alumina is skillfully poured into molds or onto a cooling floor, where controlled cooling is essential in forming the desired crystal structure and size.
Formation of Ingots: As cooling advances, the material solidifies into impressive ingots or blocks of distinguished fused alumina.
Crushing and Grinding:
Primary Crushing: The robust, cooled ingots undergo an initial crushing stage using jaw crushers or similar heavy equipment, setting the stage for detailed refinement.
Secondary Crushing and Grinding: Here, the material is diligently crushed and ground into smaller sizes through cone crushers, roll crushers, and ball mills, continuing until the ideal particle size is achieved.
Magnetic Separation:
Removing Metallic Impurities: The finely ground material passes through magnetic separators, excelling at removing iron particles and other metallic impurities, ensuring purity and quality.
Sieving and Classification:
Particle Size Distribution: The refined alumina is systematically sieved into various grades based on particle size. This is achieved using vibrating screens and air classifiers, ensuring precision in distribution.
Quality Control: Each batch undergoes comprehensive testing for chemical composition, particle size distribution, and other quality metrics, guaranteeing compliance with industry standards and exceptional quality.
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: This exceptional material plays a pivotal role in crafting superior grinding wheels, high-quality sandpaper, efficient blasting media, and a variety of other top-tier abrasive products.
Refractories: It is crucial for producing refractory bricks, castables, and other resilient materials engineered to withstand the most extreme temperatures.
Surface Preparation: The perfect choice for cleaning, deburring, and meticulously preparing surfaces in metalworking, automotive, and other precision-driven industries.
Ceramics: As a vital ingredient in ceramic manufacturing, it ensures products achieve unmatched durability and resist thermal shock, guaranteeing extended longevity and optimal 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:
Weight: Typically available in standard 200 L (53 gallons) drums, designed for dependable storage needs.
Material: Fabricated from durable metal or high-density polyethylene to provide exceptional strength and reliability.
Features: Secured with tamper-evident seals and crafted for moisture resistance; these stackable containers ensure efficient, space-saving storage.
Applications: Ideal when maximum protection from environmental factors is required, or for seamless handling in automated processes.
Custom Packaging:
Options: Offering bespoke packaging solutions tailored to meet precise customer specifications and requirements.
Features: Includes custom weights, materials, and labeling options to satisfy unique needs and preferences.
Applications: Perfect for specialized industries or unique applications requiring specific packaging standards.
Labeling and Documentation:
Identification: Each package is distinctly labeled with detailed product information, covering grade, grit size, weight, and batch number for easy identification.
Safety Information: Labels include essential safety and handling instructions, ensuring safe use and handling.
Compliance: Packaging strictly complies with international shipping regulations and industry standards, guaranteeing worry-free transit.
Luoyang Frere Import and Export Trading Co., Ltd. is a prestigious pioneer in the trading realm, renowned for its exquisite specialization in refractory materials and abrasive media. With a seamless blend of industry insight and trade expertise, our esteemed company takes pride in possessing cutting-edge testing facilities and unparalleled technical proficiency. Nestled in the vibrant heart of Luoyang city, Henan province, we boast two illustrious factories that bring forth a rich legacy of 24 years in producing both Brown Fused Alumina (BFA) and White Fused Alumina (WFA).
Anchored by robust factory partnerships, we deliver an exquisite range of Cutting Wheels, Grinding Wheels, and Flap Discs at remarkably competitive prices. Our offerings are celebrated and trusted across the globe, adeptly fulfilling the dynamic and multifaceted economic and social demands of the modern market. Our unwavering commitment to excellence and customer satisfaction ensures that our products consistently reach the pinnacle of quality and reliability, making us a preferred choice worldwide.
At Luoyang Frere, we cherish enduring collaborations and eagerly anticipate the privilege of partnering with your esteemed company. Our dedicated team stands poised to support your endeavors, ready to play a pivotal role in your imminent success and growth, ensuring a prosperous future together.
At Frere company, we are deeply committed to our customers, extending our accountability far beyond the initial purchase. Our comprehensive and meticulously designed after-sales service ensures your continued contentment and success with our offerings. By choosing us as your trusted supplier of abrasive and refractory materials, you can expect an exceptional level of service:
1. Technical Support:
Our team of highly experienced engineers and technical experts is always on hand to offer unrivaled guidance and support. Whether you need assistance in selecting the ideal product, mastering advanced application techniques, or resolving troubleshooting challenges, we are here to help you achieve the best possible outcomes.
2. Product Training:
We offer extensive training programs designed to equip your team with the expertise needed to use our products efficiently and safely. Our training sessions cover everything from fundamental handling practices to advanced application strategies, all tailored specifically to meet your unique needs.
3. Warranty and Repairs:
Our products come with a robust warranty. In the event of any issues, our dedicated service team is prepared to provide quick repairs or replacements, ensuring minimal disruption to your operations.
4. Regular Follow-ups:
We believe in proactive customer service. Our team regularly checks in to assess how our products are performing and to collect your invaluable feedback. This ongoing dialogue allows us to continuously refine and tailor our solutions to perfectly fit your evolving needs.
5. Maintenance Services:
To enhance the longevity and efficiency of our products, we offer specialized maintenance services. Our experts can help create a maintenance schedule and provide on-site support to keep your equipment in optimal condition.
6. Rapid Response:
In urgent situations, our rapid response team is ready to deliver immediate support. Understanding the critical importance of timing in your business, we resolve issues promptly and efficiently.
7. Spare Parts Availability:
We maintain an extensive inventory of spare parts to ensure you receive the needed components without delay. Our efficient logistics network ensures quick delivery, thus minimizing downtime and ensuring seamless operations.
8. Customer Feedback Loop:
Your feedback is invaluable to us. We actively seek your opinions on our products and services, using this information to drive continuous improvement. Our goal is to exceed your expectations at every turn.
9. 24/7 Customer Service:
Our committed customer service team is available around the clock to address any questions or concerns you may have. Whether it's a simple inquiry or an urgent matter, we are here to provide unwavering support at any hour.
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