| Customization: | Available |
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| Natural Abrasive Type: | Fused Alumina |
| Artificial Abrasive Type: | Corundum Abrasives |
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Brown Fused Alumina, or Brown Aluminum Oxide, stands as a beacon of innovation in the realm of synthetic mineral materials. This exceptional product is revered for its extraordinary hardness and unmatched wear resistance. Born from the meticulous melting process of premium bauxite, iron filings, and anthracite in a state-of-the-art high-temperature electric arc furnace, it is then subjected to a precise and sophisticated cooling, crushing, and screening procedure. The result is a product of exceptional physical and chemical properties, making it an indispensable choice across a wide spectrum of industrial applications. With its unrivaled characteristics, Brown Fused Alumina is the material of choice for industries demanding the utmost in 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 creation of brown fused alumina (BFA) is a meticulous and multifaceted operation, encompassing a series of intricate stages: raw material preparation, fusion, cooling, crushing, and classification. Allow us to guide you through a comprehensive journey of this sophisticated process:
Raw Material Preparation:
Bauxite: We begin with bauxite, the cornerstone of our production, chosen meticulously for its high alumina (Al2O3) content and minimal impurities, ensuring top-tier quality and performance.
Iron filings or scrap iron: Carefully incorporated to facilitate the reduction process during the fusion stage, enhancing the purity and integrity of the final product.
Anthracite coal: Employed as a powerful reducing agent, playing a critical role in transforming raw materials into premium alumina.
Fusion:
Electric Arc Furnace (EAF): The expertly prepared mixture is introduced into an electric arc furnace, where colossal temperatures (around 2000-2200°C or 3632-3992°F) are generated through electric arcs between carbon electrodes, initiating the fusion process.
Reduction and Fusion: At these extraordinary temperatures, the alumina in bauxite undergoes melting and reacts seamlessly with the carbon from anthracite, yielding molten alumina while iron and other impurities are skillfully reduced and separated.
Cooling:
Cooling the Molten Alumina: To achieve the perfect crystal structure and size, the molten alumina is methodically poured out of the furnace into molds or onto a cooling floor, where controlled cooling takes place.
Formation of Ingots: As it cools, the material transforms into substantial ingots or blocks of fused alumina, ready for further refinement.
Crushing and Grinding:
Primary Crushing: The cooled ingots are initially broken down using robust jaw crushers or other heavy-duty machinery, setting the stage for finer processing.
Secondary Crushing and Grinding: The material undergoes further size reduction through cone crushers, roll crushers, and ball mills, achieving the precise particle size essential for optimal performance.
Magnetic Separation:
Removing Metallic Impurities: The ground alumina is expertly passed through magnetic separators, effectively eliminating any lingering iron particles and metallic impurities, ensuring pristine purity.
Sieving and Classification:
Particle Size Distribution: The thoroughly crushed and purified alumina is meticulously sieved into various grades based on particle size, utilizing advanced vibrating screens and air classifiers to meet industry-specific requirements.
Quality Control: Each meticulously crafted batch undergoes rigorous testing for chemical composition, particle size distribution, and other critical quality parameters, guaranteeing adherence to stringent industry standards and exceptional product excellence.
Brown fused alumina shines as a versatile powerhouse across various industrial realms, renowned for its remarkable hardness, superior toughness, and impressive high melting point:
Abrasives: This essential component is a cornerstone in the crafting of grinding wheels, sandpaper, blasting media, and an array of abrasive products, ensuring superior performance and longevity.
Refractories: Integral in the creation of refractory bricks and castables, brown fused alumina is indispensable for materials designed to endure soaring temperatures with unmatched reliability.
Surface Preparation: Perfect for cleaning, deburring, and meticulously preparing surfaces, it is a trusted ally in industries such as metalworking and automotive, delivering impeccable results.
Ceramics: A crucial ingredient in ceramic products, it imparts high durability and exceptional resistance to thermal shock, making it ideal for demanding applications.
| 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 capacious 200 L (53 gallons) drums, catering to a range of storage needs.
Material: Constructed from premium metal or high-density polyethylene to ensure maximum protection.
Features: Secured with tamper-evident seals, these drums are moisture-resistant and stackable for optimized storage efficiency.
Applications: Deployed when heightened protection from environmental elements is required or for streamlined handling in automated systems.
Custom Packaging:
Options: Offering bespoke packaging solutions tailored precisely to customer specifications.
Features: Customizable weights, materials, and labeling options to fulfill distinct requirements.
Applications: Ideal for niche industries or special applications that demand unique packaging criteria.
Labeling and Documentation:
Identification: Each package is distinctly marked with essential product details, including grade, grit size, weight, and batch number.
Safety Information: Labels are comprehensive, featuring all necessary safety and handling instructions.
Compliance: Every package meets stringent international shipping regulations and industry standards.
Luoyang Frere Import and Export Trading Co., Ltd. stands as a beacon of excellence in the trading realm, particularly in refractory materials and abrasive media. Our unique blend of industry and trade, coupled with state-of-the-art testing facilities and profound technical expertise, positions us as leaders in the field. Nestled in the industrious Luoyang city within Henan province, our two factories boast an impressive 24-year legacy in crafting superior Brown Fused Alumina (BFA) and White Fused Alumina (WFA).
Through powerful collaborations with our factories, we provide an exceptional range of Cutting Wheels, Grinding Wheels, and Flap Discs, all at remarkably competitive prices. Our meticulously crafted products have earned widespread acclaim and trust across diverse markets, fulfilling the ever-changing economic and social needs with aplomb. We are unwavering in our dedication to quality and customer satisfaction, making sure our offerings consistently uphold the pinnacle of industry standards.
At Luoyang Frere, forging enduring partnerships is our cornerstone, and we are excited about the possibility of joining forces with your esteemed company. Our dedicated team is poised to support your ambitions and drive your success forward, anticipating a mutually prosperous future.
At Frere company, we recognize that our commitment to you doesn't end at the point of purchase. Our all-encompassing after-sales service is meticulously crafted to ensure your ongoing satisfaction and success with our high-quality products. Here's what makes us your ideal partner for abrasive and refractory needs:
1. Technical Support:
Our highly skilled engineers and technical experts are always ready to offer detailed advice and comprehensive support. Whether you require guidance on product selection, application techniques, or troubleshooting, we're dedicated to helping you achieve outstanding results.
2. Product Training:
To ensure your team is fully empowered to utilize our products safely and efficiently, we provide extensive training programs. Covering everything from basic handling to advanced applications, our training is custom-tailored to meet your specific needs.
3. Warranty and Repairs:
All our products are backed by a strong warranty. Should any issues arise, our dedicated service team is prepared to deliver swift repairs or replacements, minimizing disruptions and keeping your operations seamless.
4. Regular Follow-ups:
We are committed to proactive customer service. By conducting regular follow-ups, we assess the performance of our products and gather valuable feedback, allowing us to continually refine and tailor our solutions to better serve you.
5. Maintenance Services:
To prolong the life and enhance the efficiency of our products, we offer top-notch maintenance services. Our specialists can assist in developing a maintenance schedule and provide on-site support to ensure your equipment remains in peak condition.
6. Rapid Response:
For urgent matters, our rapid response team is poised to offer immediate assistance. We understand the critical nature of your operations and are dedicated to resolving any issues swiftly to minimize downtime.
7. Spare Parts Availability:
Our extensive inventory of spare parts ensures you have quick access to vital components. With our efficient logistics network, we guarantee prompt delivery, reducing downtime and maintaining smooth operations.
8. Customer Feedback Loop:
Your insights are crucial to us. We actively solicit your feedback on our products and services, using it to drive continuous enhancements. Our mission 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 queries or concerns. Whether it's a routine question or an urgent situation, we are always ready to provide the support you need.
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