| Customization: | Available |
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| Natural Abrasive Type: | Fused Alumina |
| Artificial Abrasive Type: | Corundum Abrasives |
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Brown Fused Alumina, renowned in the industry as Brown Aluminum Oxide, is a marvel of synthetic mineral engineering, revered for its extraordinary hardness and unrivaled wear resistance. This remarkable material is meticulously crafted through the high-temperature fusion of premium bauxite, iron filings, and anthracite within an electric arc furnace. The result is a breathtaking process of cooling, crushing, and screening that produces a product with matchless physical and chemical properties. Its extraordinary qualities position it as an essential component across a multitude of industrial applications, making it a go-to solution for those seeking top-tier performance and 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 production of brown fused alumina (BFA) unfolds through a series of meticulously coordinated stages, holistically covering raw material preparation, fusion, cooling, crushing, and precise classification. Allow us to guide you through this elaborate process:
Raw Material Preparation:
Bauxite: This is the cornerstone raw material, boasting a substantial alumina (Al2O3) content. Our bauxite is meticulously curated to guarantee optimal alumina levels with minimal impurities, ensuring top-tier quality.
Iron filings or scrap iron: Integrated into the mixture to effectively facilitate the reduction process during the fusion phase.
Anthracite coal: Carefully chosen and utilized as a potent reducing agent, driving the chemical reactions needed.
Fusion:
Electric Arc Furnace (EAF): This sophisticated furnace is where the magic happens. The expertly prepared mixture is introduced into the EAF, where it is exposed to intensely high temperatures ranging from 2000-2200°C (3632-3992°F), generated by electric arcs between carbon electrodes.
Reduction and Fusion: Under these extreme temperatures, alumina from bauxite melds seamlessly with carbon from anthracite, producing a molten alumina. Simultaneously, iron and other impurities are effectively reduced and separated.
Cooling:
Cooling the Molten Alumina: The molten alumina is skillfully poured from the furnace into molds or onto a cooling floor. This controlled cooling is pivotal in crafting the desired crystal structure and specific size.
Formation of Ingots: As the material cools with precision, it solidifies into robust ingots or blocks of superior fused alumina.
Crushing and Grinding:
Primary Crushing: The solidified ingots undergo initial breakdown through powerful jaw crushers or comparable heavy machinery.
Secondary Crushing and Grinding: The material undergoes further size reduction through cone crushers, roll crushers, and advanced ball mills, persisted until the precise particle size is attained.
Magnetic Separation:
Removing Metallic Impurities: The finely ground material is meticulously processed through magnetic separators, efficiently eliminating any lingering iron particles and metallic contaminants.
Sieving and Classification:
Particle Size Distribution: The thoroughly crushed and purified alumina is then precisely sieved into distinct grades based on particle size, employing advanced vibrating screens and air classifiers for unparalleled accuracy.
Quality Control: Every batch undergoes rigorous testing for chemical composition, particle size distribution, and other quality metrics, ensuring they align impeccably with industry standards.
Brown fused alumina is celebrated across a multitude of industrial landscapes, revered for its unparalleled hardness, resilient toughness, and remarkably high melting point, making it a staple in:
Abrasives: Employed in crafting superior grinding wheels, precision sandpaper, high-impact blasting media, and an array of other cutting-edge abrasive products.
Refractories: Integral in the creation of top-tier refractory bricks, robust castables, and a plethora of materials designed to endure the most extreme temperatures.
Surface Preparation: Essential for immaculate cleaning, meticulous deburring, and optimal surface preparation in key industries from metalworking to automotive excellence.
Ceramics: A key component in ceramic products that demand exceptional durability and outstanding resistance to thermal shock, ensuring longevity and 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: Our drums are standardly offered in a convenient size of 200 L (53 gallons), catering to substantial storage needs.
Material: Manufactured from durable metal or high-density polyethylene, ensuring robustness and security.
Features: These drums are fortified with tamper-evident seals, moisture resistance, and stackability for optimal storage solutions.
Applications: Ideal for scenarios demanding additional protection from environmental factors or for seamless integration into automated processes.
Custom Packaging:
Options: We offer bespoke packaging solutions customized to your specific requirements, ensuring a perfect fit for your needs.
Features: Tailored options for weights, materials, and labeling, crafted to meet your distinctive specifications.
Applications: Designed for specialized industries or unique applications that necessitate specific packaging standards.
Labeling and Documentation:
Identification: Each package is meticulously labeled with vital product information, including grade, grit size, weight, and batch number for easy identification.
Safety Information: Our labels provide essential safety and handling instructions, ensuring safety and compliance at every step.
Compliance: All packaging adheres strictly to international shipping regulations and industry standards, offering peace of mind and reliability.
Luoyang Frere Import and Export Trading Co., Ltd. stands as a premier trading entity, predominantly focused on the supply of top-tier refractory materials and abrasive media. With a seamless fusion of industry acumen and trade expertise, we are fortified by state-of-the-art testing facilities and exceptional technical prowess. Our dual-factory presence in Luoyang city, Henan province, proudly showcases 24 years of unmatched mastery in the production of Brown Fused Alumina (BFA) and White Fused Alumina (WFA).
Harnessing the power of our robust factory alliances, we present an exquisite range of Cutting Wheels, Grinding Wheels, and Flap Discs, all offered at highly competitive prices. Our product suite enjoys extensive acclaim and trust within the market, skillfully fulfilling the dynamic economic and societal needs. We are unwavering in our dedication to quality and customer gratification, ensuring our products consistently align with the pinnacle of industry standards.
At Luoyang Frere, we hold our long-term partnerships in the highest regard and eagerly anticipate the chance to collaborate with your esteemed organization. Our dedicated team is poised to address your needs and actively contribute to your success in the near future.
At Frere company, we embody a steadfast commitment to our customers that transcends the conventional boundaries of sales. Our expansive after-sales service is meticulously crafted to ensure your enduring satisfaction and success with our superior products. Selecting us as your abrasive and refractory partner affords you a wealth of benefits:
1. Technical Support:
Our cadre of seasoned engineers and technical experts stands ready to deliver unparalleled guidance and assistance. Be it product selection, application methodologies, or troubleshooting, we are poised to support you in attaining exceptional outcomes.
2. Product Training:
Comprehensive training programs empower your team to harness our products with utmost efficacy and safety. From fundamental handling to sophisticated application techniques, our training is meticulously tailored to your unique requirements.
3. Warranty and Repairs:
Our products are fortified with a comprehensive warranty. Should any issues arise, our devoted service team ensures swift repairs or replacements, minimizing any disruption to your operations.
4. Regular Follow-ups:
Embracing proactive customer service, we conduct systematic follow-ups to evaluate our products' performance and gather valuable feedback, enabling us to refine and customize our offerings to better serve your needs.
5. Maintenance Services:
To optimize the longevity and performance of our products, we provide expert maintenance services. Our specialists assist in crafting a maintenance schedule and offer on-site support to ensure your equipment remains in peak condition.
6. Rapid Response:
In urgent situations, our rapid response team is committed to delivering immediate support. Acknowledging the critical nature of time in your operations, we aim to swiftly address and resolve any issues.
7. Spare Parts Availability:
We uphold an extensive stock of spare parts, ensuring you have ready access to necessary components. Our streamlined logistics network promises fast delivery, minimizing downtime and maintaining seamless operations.
8. Customer Feedback Loop:
Your feedback is a cornerstone of our improvement process. We actively solicit your insights on our products and services, harnessing them to perpetually enhance our offerings, striving to surpass your expectations in every interaction.
9. 24/7 Customer Service:
Our unwavering customer service team is at your disposal 24/7, poised to address any inquiries or concerns. Whether tackling a simple question or an emergency, we are steadfast in our support for you.
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