| Customization: | Available |
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| Natural Abrasive Type: | Fused Alumina |
| Artificial Abrasive Type: | Corundum Abrasives |
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Brown Fused Alumina, also known as Brown Aluminum Oxide, is a remarkable synthetic mineral material, renowned for its exceptional hardness and superior wear resistance. This extraordinary product is meticulously crafted by melting bauxite, iron filings, and anthracite in a high-temperature electric arc furnace. The process is further refined through a precise cooling, crushing, and screening process, endowing it with unparalleled physical and chemical properties. These outstanding characteristics make it an indispensable choice for a diverse range of industrial applications, ensuring efficiency and reliability in every use.
| 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 our exceptional brown fused alumina (BFA) is a meticulous process that traverses multiple sophisticated stages. This includes the careful preparation of raw materials, the intense fusion process, precise cooling, strategic crushing, and meticulous classification. Let us take you through each intriguing step:
Raw Material Preparation:
Bauxite: This primary raw material, rich in alumina (Al2O3), is meticulously selected to ensure premium alumina content with minimal impurities, setting the foundation for unmatched quality.
Iron filings or scrap iron: Integrated into the mix to facilitate the essential reduction process during fusion, enhancing the purity and quality of the final product.
Anthracite coal: Utilized as a pivotal reducing agent, anthracite plays a crucial role in transforming the raw materials into a superior fused alumina.
Fusion:
Electric Arc Furnace (EAF): Our expertly prepared mixture is introduced into an electric arc furnace, where electric arcs between carbon electrodes generate phenomenal temperatures (approximately 2000-2200°C or 3632-3992°F).
Reduction and Fusion: At these extraordinary temperatures, the alumina in bauxite undergoes a transformative melting process, reacting with carbon from anthracite to yield pure molten alumina, while iron and other impurities are effectively reduced and separated.
Cooling:
Cooling the Molten Alumina: The molten alumina is expertly poured into molds or onto cooling floors, where controlled cooling is paramount to achieving the desired crystal structure and optimum size.
Formation of Ingots: As the material undergoes cooling, it solidifies into impressively large ingots or blocks of high-quality fused alumina.
Crushing and Grinding:
Primary Crushing: These cooled ingots are initially broken down using powerful jaw crushers or similar heavy-duty machinery, preparing them for refinement.
Secondary Crushing and Grinding: The material is further processed into smaller, precise sizes using advanced cone crushers, roll crushers, and ball mills, continually refined until the consummate particle size is reached.
Magnetic Separation:
Removing Metallic Impurities: Our state-of-the-art magnetic separators efficiently remove any residual iron particles and other metallic impurities, ensuring the purity of the alumina.
Sieving and Classification:
Particle Size Distribution: The cleaned and crushed alumina undergoes sieving to classify it into various grades by particle size, utilizing precision vibrating screens and air classifiers to achieve exacting standards.
Quality Control: Each meticulously crafted batch undergoes rigorous testing for chemical composition, particle size distribution, and other quality metrics, ensuring that it consistently meets and exceeds industry standards.
Brown fused alumina is esteemed across diversified industrial sectors, cherished for its exceptional hardness, unmatched toughness, and an impressive high melting point:
Abrasives: A cornerstone in the crafting of grinding wheels, sandpaper, blasting media, and a variety of other abrasive tools, this material ensures superior performance.
Refractories: Essential in creating refractory bricks, castables, and other materials that demand resilience against soaring temperatures, ensuring longevity and reliability.
Surface Preparation: Ideal for the meticulous cleaning, deburring, and surface preparation within industries such as metalworking and automotive, offering efficiency and precision.
Ceramics: A vital component in ceramic products that require unparalleled durability and the ability to withstand thermal shock, enhancing the quality and lifespan of ceramic goods.
| 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: Available in sturdy 200 L (53 gallons) drums, these containers are ideal for secure storage.
Material: Fashioned from resilient metal or high-density polyethylene, ensuring durability and protection.
Features: Equipped with tamper-evident seals for security, designed to be moisture-resistant and stackable for optimal storage efficiency.
Applications: Perfect for environments requiring extra protection from elements or automated process handling.
Custom Packaging:
Options: We offer bespoke packaging solutions, crafted to meet specific client needs and preferences.
Features: Customizable weights, materials, and labeling options ensure your exact requirements are met.
Applications: Tailored for unique industries or applications where custom standards are paramount.
Labeling and Documentation:
Identification: Each package is distinctly labeled, detailing essential product information such as grade, grit size, weight, and batch number for easy identification.
Safety Information: Labels are comprehensive, including all necessary safety and handling instructions to ensure secure use.
Compliance: Our packaging meets all international shipping regulations and industry standards, ensuring global compliance.
Luoyang Frere Import and Export Trading Co., Ltd. is a distinguished and highly regarded trading company, specializing in the intricate world of refractory materials and abrasive media. With a seamlessly integrated approach that beautifully marries industry with trade, we stand out with our state-of-the-art testing facilities and unparalleled technical expertise. Nestled in the heart of Luoyang city, Henan province, our two factories embody a rich legacy of 24 years in the meticulous production of Brown Fused Alumina (BFA) and White Fused Alumina (WFA).
Empowered by our robust and enduring factory relationships, we proudly offer a collection of superior Cutting Wheels, Grinding Wheels, and Flap Discs, all at competitive prices that truly deliver exceptional value. Our products are celebrated and trusted across the industry, perfectly attuned to meet the ever-evolving economic and social demands of today's dynamic market. We are steadfastly committed to quality and customer satisfaction, ensuring that our offerings consistently meet and exceed the highest standards of excellence.
At Luoyang Frere, we cherish the essence of long-term partnerships and eagerly anticipate the possibility of collaborating with your esteemed company. Our dedicated team is enthusiastic and ready to support your needs, contributing wholeheartedly to your success in the exciting years to come.
At Frere company, we hold a steadfast belief that our commitment to our esteemed customers extends far beyond the initial purchase. Our all-encompassing after-sales service is meticulously crafted to guarantee your ongoing satisfaction and success with our exceptional products. Choose us as your trusted abrasive and refractory supplier and experience unparalleled service:
1. Technical Support:
Our team of highly skilled engineers and technical specialists stands ready to offer their expert guidance and unwavering support. Whether you seek assistance with product selection, application techniques, or troubleshooting challenges, we are dedicated to helping you achieve the pinnacle of results.
2. Product Training:
We provide comprehensive training programs to ensure your team is fully equipped to utilize our products with utmost effectiveness and safety. From foundational handling to advanced application strategies, our training is meticulously tailored to meet your unique requirements.
3. Warranty and Repairs:
Each of our products is backed by a robust warranty. Should you face any issues, our committed service team is ready to deliver prompt repairs or replacements, ensuring minimal disruption to your operations and maintaining seamless productivity.
4. Regular Follow-ups:
We champion proactive customer service. Our dedicated team conducts regular follow-ups to evaluate the performance of our products and gather valuable feedback. This commitment to interaction helps us continuously enhance and tailor our offerings to better fulfill your needs.
5. Maintenance Services:
To maximize the longevity and efficiency of our products, we offer specialized maintenance services. Our experts assist in developing a strategic maintenance schedule and provide on-site support to keep your equipment in peak condition.
6. Rapid Response:
In the face of any urgent issue, our rapid response team is poised to provide immediate assistance. We recognize the critical nature of time in your operations and are committed to resolving any problems with swift efficiency.
7. Spare Parts Availability:
Our extensive inventory of spare parts ensures you have quick and easy access to the components you need. Our efficient logistics network guarantees rapid delivery, minimizing downtime and ensuring your operations remain uninterrupted.
8. Customer Feedback Loop:
Your feedback is a vital cornerstone of our improvement process. We eagerly seek your insights on our products and services, using them as a catalyst for continuous enhancement. Our ultimate goal is to surpass your expectations in every aspect of our collaboration.
9. 24/7 Customer Service:
Our devoted customer service team is at your disposal 24/7, ready to address any concerns or questions you may have. Whether it's a simple inquiry or an urgent situation, our team is always prepared to offer unwavering support.
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