| Customization: | Available |
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| Natural Abrasive Type: | Fused Alumina |
| Artificial Abrasive Type: | Corundum Abrasives |
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Brown Fused Alumina, also renowned as Brown Aluminum Oxide, is a masterfully engineered synthetic mineral that stands out for its exceptional hardness and extraordinary wear resistance. Produced through a meticulous process, it involves the precise melting of bauxite, iron filings, and anthracite in a high-temperature electric arc furnace. This is followed by a controlled cooling, specialized crushing, and thorough screening process, ensuring the product's unmatched physical and chemical properties. These remarkable attributes make it an essential component across a wide spectrum of industrial applications, delivering unparalleled performance and reliability.
| 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 journey of Brown Fused Alumina (BFA) unfolds through a meticulous series of stages, encompassing the preparation of raw materials, fusion, meticulous cooling, precise crushing, and exact classification. Below is a comprehensive guide to this elaborate process:
Raw Material Preparation:
Bauxite: This essential raw material is rich in alumina (Al2O3). Premium bauxite is selected with precision to ensure optimal alumina content and minimal impurities, setting the foundation for superior quality.
Iron filings or scrap iron: Introduced into the mixture to facilitate the reduction process during the fusion stage, ensuring purity and performance.
Anthracite coal: This serves as a potent reducing agent, playing a crucial role in the transformation process.
Fusion:
Electric Arc Furnace (EAF): The expertly prepared mixture is introduced to an electric arc furnace where temperatures soar to a staggering 2000-2200°C (3632-3992°F) through dynamic electric arcs across carbon electrodes.
Reduction and Fusion: The intense heat causes the alumina in the bauxite to melt, reacting with carbon from anthracite to form molten alumina, while iron and other impurities are effectively reduced and separated.
Cooling:
Cooling the Molten Alumina: This molten wonder is poured with precision into molds or onto cooling floors. Controlled cooling is paramount to cultivate the desired crystal structure and size.
Formation of Ingots: As cooling takes its course, the material solidifies into substantial ingots or blocks of fused alumina, ready for further processing.
Crushing and Grinding:
Primary Crushing: Mighty jaw crushers or equivalent heavy machinery initially break down the cooled ingots, setting the stage for further refinement.
Secondary Crushing and Grinding: The material undergoes further crushing and grinding through cone crushers, roll crushers, and ball mills to achieve the precise particle size desirable for various applications.
Magnetic Separation:
Removing Metallic Impurities: The finely ground material is passed through state-of-the-art magnetic separators to meticulously extract any lingering iron particles and metallic impurities.
Sieving and Classification:
Particle Size Distribution: The crushed and purified alumina is then sieved into various grades dictated by particle size using sophisticated vibrating screens and air classifiers, tailored to meet diverse industry needs.
Quality Control: Every batch undergoes rigorous testing for chemical composition, particle size distribution, and a suite of quality parameters, ensuring it not only meets but exceeds industry standards.
Brown fused alumina boasts unparalleled versatility, making it an indispensable asset in countless industrial sectors. Its remarkable hardness, robust toughness, and impressive high melting point empower it to excel in diverse applications:
Abrasives: Its exceptional properties make it a top choice for grinding wheels, sandpaper, blasting media, and a myriad of other abrasive products, ensuring precision and efficiency in the toughest tasks.
Refractories: This extraordinary material is integral to the production of refractory bricks, castables, and other high-temperature resilient materials, providing unmatched durability and performance.
Surface Preparation: It is a trusted ally for meticulous cleaning, deburring, and surface preparation, elevating standards in industries such as metalworking and automotive.
Ceramics: As a vital component in ceramic products, its high durability and resistance to thermal shock ensure the longevity and reliability of these items, even under the most demanding conditions.
| 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, balancing capacity with manageability.
Material: Constructed from resilient metal or high-density polyethylene for superior protection.
Features: Secured with tamper-evident seals, offering moisture resistance and stackable design for efficient storage solutions.
Applications: Ideal when extra protection against environmental influences is needed or for streamlined handling in automated systems.
Custom Packaging:
Options: Tailored packaging solutions crafted precisely according to specific customer requirements for maximum satisfaction.
Features: Customizable weights, materials, and labeling tailored to meet unique demands and industry standards.
Applications: Perfect for niche markets or unique scenarios requiring specific packaging and precise standards.
Labeling and Documentation:
Identification: Every package is meticulously labeled with essential product information, including grade, grit size, weight, and batch number for complete traceability.
Safety Information: Labels prominently display necessary safety and handling instructions for user protection.
Compliance: Packaging meets and exceeds international shipping regulations and industry standards, ensuring global compatibility.
Luoyang Frere Import and Export Trading Co., Ltd. stands as a beacon of excellence in the world of trading, particularly in refractory materials and abrasive media. With a strategic synthesis of industry and commerce, we are well-equipped with state-of-the-art testing facilities and possess formidable technical expertise. Our dual factories, nestled in the heart of Luoyang city, Henan province, boast an impressive legacy of 24 years in crafting both Brown Fused Alumina (BFA) and White Fused Alumina (WFA).
Harnessing our robust factory alliances, we proudly present a premium selection of Cutting Wheels, Grinding Wheels, and Flap Discs, all at remarkably competitive prices. Our products have garnered widespread acclaim and trust, adeptly navigating the dynamic landscape of economic and social demands. Our unwavering commitment to superior quality and unparalleled customer satisfaction ensures that our offerings consistently exceed the highest industry standards.
At Luoyang Frere, we cherish long-standing partnerships and eagerly anticipate the prospect of collaborating with your esteemed enterprise. Our dedicated team stands ready to support your requirements and enhance your success in the near future.
At Frere company, we hold a steadfast commitment to our customers that transcends the initial transaction. Our all-encompassing after-sales service program is structured to assure your enduring satisfaction and triumph with our exquisite products. By choosing us as your trusted abrasive and refractory partner, you can anticipate a multitude of benefits:
1. Technical Support:
Our elite team of seasoned engineers and technical experts stands ready to dispense unparalleled advice and assistance. Whether you require guidance on product selection, application techniques, or troubleshooting, we are dedicated to helping you attain optimal results.
2. Product Training:
We provide comprehensive training programs to ensure your team is adept and confident in utilizing our products safely and effectively. Covering fundamental handling practices to advanced application strategies, each session is meticulously tailored to address your unique requirements.
3. Warranty and Repairs:
Our products are backed by an extensive warranty. Should any issues arise, our devoted service team will swiftly undertake repairs or replacements, guaranteeing minimal disruption to your operations and preserving your business continuity.
4. Regular Follow-ups:
We are champions of proactive customer engagement. Through systematic follow-ups, we assess the performance of our products and actively solicit feedback, allowing us to incessantly refine and customize our offerings to better fulfill your demands.
5. Maintenance Services:
To enhance the longevity and efficiency of our products, we provide adept maintenance services. Our specialists will assist in devising a maintenance schedule while delivering on-site support to ensure your equipment remains in peak condition.
6. Rapid Response:
In urgent situations, our rapid response team is poised to deliver immediate support. Recognizing the critical nature of your operations, we prioritize swift resolution of any issues, minimizing downtime and maintaining operational efficiency.
7. Spare Parts Availability:
Our extensive spare parts inventory guarantees you swift access to essential components. Coupled with our streamlined logistics network, we ensure expedited delivery, minimizing downtime and ensuring seamless operation.
8. Customer Feedback Loop:
Your feedback is a cornerstone of our continuous improvement strategy. We actively engage with your insights on our products and services to drive innovation, striving to surpass your expectations at every interaction.
9. 24/7 Customer Service:
Our unwavering customer service team is at your beck and call 24/7, ready to address any queries or issues you may encounter. Whether it's a routine inquiry or an urgent matter, we are perpetually here to provide support and assistance.
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