| Customization: | Available |
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| Natural Abrasive Type: | Fused Alumina |
| Artificial Abrasive Type: | Corundum Abrasives |
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Introducing the Durable Brown Fused Alumina, also recognized in the industry as Brown Aluminum Oxide. This extraordinary synthetic mineral is renowned for its remarkable hardness and unmatched wear resistance. Expertly crafted through a meticulous process involving the melting of premium bauxite, high-quality iron filings, and pure anthracite in an advanced high-temperature electric arc furnace, the product undergoes precise cooling, crushing, and screening to achieve its exceptional physical and chemical properties. With its dominant features, our Brown Fused Alumina is the trusted choice for a wide spectrum of demanding industrial applications, setting the standard for excellence 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 creation of exquisite brown fused alumina (BFA) entails a meticulous sequence of stages. This journey typically includes the preparation of raw materials, the high-temperature fusion process, controlled cooling, systematic crushing, and precise classification. Here is an in-depth exploration of this elegant process:
Raw Material Preparation:
Bauxite: At the heart of this process is bauxite, the primary raw material, teeming with alumina (Al2O3) content. The bauxite is hand-selected with precision to guarantee the desired alumina levels while ensuring minimal impurity presence.
Iron filings or scrap iron: These are delicately incorporated into the blend to facilitate the reduction process during the fusion stage.
Anthracite coal: Carefully employed as a potent reducing agent in the process.
Fusion:
Electric Arc Furnace (EAF): The expertly prepared mixture finds its way into an electric arc furnace. Here, electric arcs generated between carbon electrodes produce extreme temperatures, soaring to around 2000-2200°C (3632-3992°F).
Reduction and Fusion: Under these intense conditions, the alumina within bauxite melts seamlessly and engages in a reaction with carbon from the anthracite, birthing molten alumina. Simultaneously, iron and other impurities are efficiently reduced and separated.
Cooling:
Cooling the Molten Alumina: The molten alumina is meticulously extracted from the furnace and carefully poured into molds or across a cooling floor. This controlled cooling phase is pivotal to craft the desired crystal structure and size.
Formation of Ingots: As the temperature descends, the material elegantly solidifies into grand ingots or blocks of fused alumina.
Crushing and Grinding:
Primary Crushing: The solidified ingots undergo an initial breakdown using powerful jaw crushers or other robust machinery.
Secondary Crushing and Grinding: The material endures further crushing and grinding into finer particle sizes with advanced cone crushers, roll crushers, and ball mills. This precise process continues until achieving the ideal particle size.
Magnetic Separation:
Removing Metallic Impurities: The finely ground material is expertly passed through magnetic separators to meticulously remove any lingering iron particles and other metallic impurities, ensuring purity.
Sieving and Classification:
Particle Size Distribution: The crushed and purified alumina is diligently sieved into a spectrum of grades based on particle size. This is accomplished using sophisticated vibrating screens and air classifiers.
Quality Control: Each batch undergoes rigorous testing for chemical composition, particle size distribution, and other critical quality parameters to ascertain it aligns with stringent industry standards.
Brown fused alumina is celebrated across an array of industrial sectors, thanks to its unparalleled hardness, remarkable toughness, and impressive high melting point which make it indispensable:
Abrasives: Integral in crafting top-tier grinding wheels, premium sandpaper, efficient blasting media, and a variety of other high-performance abrasive products.
Refractories: A vital component in creating refractory bricks, durable castables, and other high-temperature resistant materials that excel in endurance and performance.
Surface Preparation: Essential for the meticulous cleaning, deburring, and flawless preparation of surfaces, notably in the dynamic metalworking and automotive industries.
Ceramics: A key ingredient in the manufacturing of ceramic products that demand exceptional durability and outstanding resistance to thermal shock, ensuring longevity and resilience.
| 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: Commonly offered in 200 L (53 gallons) drums for substantial storage.
Material: Fabricated from sturdy metal or high-density polyethylene, ensuring resilience and reliability.
Features: Equipped with tamper-evident seals for security, moisture-resistant properties, and stackable design for optimal storage efficiency.
Applications: Utilized when added protection from environmental elements is necessary or for seamless integration into automated handling processes.
Custom Packaging:
Options: Offering bespoke packaging solutions tailored to meet specific customer requirements, ensuring a personalized touch.
Features: Customizable weights, materials, and labeling options available to cater to specific preferences and industry standards.
Applications: Perfect for specialized industries or unique applications that demand specific packaging standards and customization.
Labeling and Documentation:
Identification: Every package is meticulously labeled with essential product details, including grade, grit size, weight, and batch number for traceability.
Safety Information: Labels are complete with all necessary safety and handling instructions to ensure user safety and compliance.
Compliance: All packaging adheres strictly to international shipping regulations and industry standards, ensuring hassle-free logistics.
Luoyang Frere Import and Export Trading Co., Ltd. stands as a prominent name in the realm of trading, specifically focusing on refractory materials and abrasive media. Our unique integration of industry and trade, complemented by state-of-the-art testing facilities and formidable technical prowess, underscores our commitment to excellence. Nestled in the industrial heart of Luoyang city, Henan province, our two factories bring an impressive legacy of 24 years in crafting both Brown Fused Alumina (BFA) and White Fused Alumina (WFA).
Harnessing the power of our strategic factory partnerships, we proudly present a superior range of Cutting Wheels, Grinding Wheels, and Flap Discs, all available at highly competitive prices. Our product lineup is celebrated for its reliability and quality, consistently earning widespread acclaim and trust from our clientele. These offerings are carefully designed to cater to the dynamic economic and social demands of the global marketplace. Our steadfast commitment to quality assurance and customer satisfaction ensures that every product meets the most stringent standards.
At Luoyang Frere, we cherish the notion of fostering enduring partnerships and eagerly anticipate the chance to collaborate with your esteemed organization. Our dedicated team is poised to diligently support your requirements and play an integral role in driving your success in the promising future ahead.
At Frere company, our commitment to customer satisfaction doesn't end at the sale. We provide an extensive after-sales service program tailored to ensure your ongoing success and happiness with our products. Choose us as your abrasive and refractory partner and experience unparalleled support, including:
1. Technical Support:
Benefit from our team of seasoned engineers and technical experts ready to offer invaluable assistance. Whether you're selecting the right product, perfecting application techniques, or resolving challenges, we're dedicated to delivering the finest results.
2. Product Training:
Our comprehensive training sessions empower your team to handle our products with precision and safety. From introductory handling to sophisticated application methods, our flexible programs are crafted to meet your unique requirements.
3. Warranty and Repairs:
Every product is backed by a solid warranty. If challenges arise, our responsive service team ensures quick repairs or replacements, minimizing any operational interruptions.
4. Regular Follow-ups:
Embracing proactive service, we engage in regular follow-ups to gauge product performance and collect your insights, enabling us to refine and customize our services to better serve you.
5. Maintenance Services:
Extend the life and efficiency of your equipment with our tailored maintenance services. Collaborate with our experts to develop a maintenance plan and receive on-site assistance to keep operations seamless.
6. Rapid Response:
Faced with pressing issues, our rapid response team is ready to deliver swift aid. Acknowledging the importance of time, we aim to resolve any difficulties promptly and efficiently.
7. Spare Parts Availability:
We house a wide array of spare parts, ensuring immediate access to essential components. Our streamlined logistics mean fast delivery, minimizing downtime and ensuring smooth operations.
8. Customer Feedback Loop:
Your feedback propels our progress. We eagerly seek your thoughts on our offerings, utilizing them to foster continuous enhancements, aiming to outperform expectations at every turn.
9. 24/7 Customer Service:
With a customer service team available around the clock, we are poised to address any queries or emergencies. Count on us for unwavering support no matter the time of day.
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