Customization: | Available |
---|---|
Natural Abrasive Type: | Fused Alumina |
Artificial Abrasive Type: | Corundum Abrasives |
Still deciding? Get samples of US$ 100/kg
Order Sample
|
Shipping Cost: | Contact the supplier about freight and estimated delivery time. |
---|
Payment Methods: |
|
---|---|
Support payments in USD |
Secure payments: | Every payment you make at Made-in-china.com is protected by the platform. |
---|
Refund policy: | Claim a refund if your order doesn't ship, is missing, or arrives with product issues. |
---|
Suppliers with verified business licenses
Audited by an independent third-party inspection agency
Brown Fused Alumina, also recognized as Brown Aluminum Oxide, stands as a premier synthetic mineral material renowned for its extraordinary hardness and exceptional wear resistance. Created through an intricate process involving the meticulous melting of bauxite, iron filings, and anthracite in a high-temperature electric arc furnace, it undergoes a precise cooling, crushing, and screening sequence. This careful crafting bestows the product with unmatched physical and chemical properties, making it an essential component across a multitude of industrial applications. Its remarkable attributes ensure it is invaluable for professionals seeking top-tier 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 meticulous production of Brown Fused Alumina (BFA) unfolds through a series of sophisticated stages. These stages include the precise preparation of raw materials, strategic fusion, controlled cooling, methodical crushing, and accurate classification. Let's explore the intricate details of this remarkable process:
Raw Material Preparation:
Bauxite: At the heart of production is bauxite, a premium raw material boasting a high alumina (Al2O3) content. This bauxite is meticulously selected to guarantee not only the required alumina content but also minimal impurities, ensuring superior quality.
Iron Filings or Scrap Iron: A critical addition to the mixture, these elements facilitate the reduction process during the fusion stage, enhancing overall efficiency.
Anthracite Coal: Employed as a key reducing agent, anthracite coal plays a vital role in the fusion process.
Fusion:
Electric Arc Furnace (EAF): The expertly prepared mixture enters an Electric Arc Furnace, where it encounters intense temperatures ranging from 2000-2200°C (3632-3992°F). This high heat is generated by powerful electric arcs between carbon electrodes.
Reduction and Fusion: Within this searing environment, the alumina in the bauxite liquefies and interacts with carbon from the anthracite, resulting in molten alumina. Concurrently, iron and other impurities are reduced and effectively separated.
Cooling:
Cooling the Molten Alumina: The molten alumina is skillfully poured from the furnace into designated molds or onto a cooling floor. Controlled cooling is paramount to attain the target crystal structure and size, which are essential for product excellence.
Formation of Ingots: As cooling progresses, the material solidifies into substantial ingots or blocks of fused alumina, ready for the next phase.
Crushing and Grinding:
Primary Crushing: The now-cooled ingots are initially broken down using robust jaw crushers or equivalent heavy machinery to initiate size reduction.
Secondary Crushing and Grinding: Progressing further, the material undergoes additional size reduction through cone crushers, roll crushers, and ball mills, meticulously ground to achieve the desired particle size.
Magnetic Separation:
Removing Metallic Impurities: The refined material is then passed through advanced magnetic separators, efficiently removing any residual iron particles and other metallic impurities, ensuring purity.
Sieving and Classification:
Particle Size Distribution: The cleaned and processed alumina is meticulously sieved into various grades according to particle size. This precise classification is achieved through the use of vibrating screens and air classifiers.
Quality Control: Rigorous quality control measures ensure that each batch is thoroughly tested for chemical composition, particle size distribution, and other vital quality parameters, guaranteeing adherence to industry standards.
Brown fused alumina stands as a cornerstone in diverse industrial applications, celebrated for its unparalleled hardness, robust toughness, and impressive high melting point:
Abrasives: Experience the superior performance of brown fused alumina in grinding wheels, sandpaper, blasting media, and an array of abrasive products, engineered for precision and efficiency.
Refractories: Essential in the crafting of refractory bricks, castables, and materials designed to endure extreme temperatures, ensuring reliability and stability.
Surface Preparation: The perfect choice for meticulous cleaning, deburring, and surface preparation, brown fused alumina is indispensable in metalworking, automotive, and beyond.
Ceramics: Integral to ceramic products demanding high durability and thermal shock resistance, brown fused alumina is the secret to exceptional quality 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: Generally available in 200 L (53 gallons) drums, perfectly sized for diverse needs.
Material: Constructed from sturdy metal or high-density polyethylene, ensuring long-lasting performance.
Features: Secured with tamper-evident seals for added security, moisture-resistant, and stackable for optimized storage efficiency.
Applications: Ideal when you need additional protection from environmental factors or seamless handling in automated processes.
Custom Packaging:
Options: Experience the flexibility of tailored packaging solutions designed to align with specific customer requirements.
Features: Choose from custom weights, materials, and labeling options to perfectly meet your unique needs.
Applications: Designed for specialized industries or unique applications, ensuring adherence to specific packaging standards.
Labeling and Documentation:
Identification: Each package is meticulously labeled with comprehensive product information, including grade, grit size, weight, and batch number for easy identification.
Safety Information: Labels are thoughtfully designed to include all necessary safety and handling instructions, ensuring user safety.
Compliance: Our packaging adheres to international shipping regulations and industry standards, ensuring a seamless global experience.
Luoyang Frere Import and Export Trading Co., Ltd. is a prestigious trading company that excels in the realm of refractory materials and abrasive media. Our unique approach seamlessly integrates industry with trade, supported by our state-of-the-art testing facilities and impressive technical prowess. Our two state-of-the-art factories, strategically located in Luoyang city, Henan province, proudly draw from 24 years of rich experience in the production of Brown Fused Alumina (BFA) and White Fused Alumina (WFA).
Through our strategic alliances with factories, we provide an exceptional range of premium Cutting Wheels, Grinding Wheels, and Flap Discs, all at remarkably competitive prices. Our products have earned widespread acclaim and trust, adeptly catering to the dynamic economic and social demands of today's market. We are steadfastly committed to unwavering quality and customer satisfaction, ensuring that our offerings consistently uphold the highest standards of excellence.
At Luoyang Frere, we cherish enduring partnerships and eagerly anticipate the privilege of collaborating with your esteemed company. Our dedicated team is poised and ready to address your needs, actively contributing to your success in the near future.
At Frere company, we understand that our commitment to customer satisfaction extends beyond just the purchase. Our all-encompassing after-sales service is meticulously crafted to ensure your ongoing satisfaction and success with our premium offerings. Here's an insight into what you can anticipate when choosing us as your trusted abrasive and refractory partner:
1. Technical Support:
Our highly skilled team of engineers and technical specialists stands ready to provide unparalleled advice and support. Be it product selection, application techniques, or troubleshooting assistance, we are dedicated to helping you achieve exceptional outcomes.
2. Product Training:
We provide comprehensive training programs designed to empower your team with the expertise to use our products efficiently and safely. Our training encapsulates everything from fundamental handling to advanced application techniques, customized to meet your unique requirements.
3. Warranty and Repairs:
Every product we offer is backed by a robust warranty. Should any issues arise, our committed service team is prepared to deliver swift repairs or replacements, ensuring minimal disruption to your business operations.
4. Regular Follow-ups:
We believe in the power of proactive service. Our team engages in regular follow-ups to assess the performance of our products and gather valuable feedback. This enables us to continually refine and enhance our offerings to better cater to your needs.
5. Maintenance Services:
To extend the life and boost the efficiency of our products, we offer comprehensive maintenance services. Our experts can help you craft a maintenance schedule and provide on-site support to ensure your equipment remains in peak condition.
6. Rapid Response:
Should an urgent issue arise, our rapid response team is on standby to deliver immediate support. We recognize the importance of time in your business, and we are committed to resolving any challenges with utmost speed.
7. Spare Parts Availability:
We maintain an extensive inventory of spare parts, ensuring you have swift access to necessary components. Our efficient logistics network ensures fast delivery, minimizing downtime and ensuring your operations proceed without interruption.
8. Customer Feedback Loop:
Your feedback is paramount to us. We actively solicit your insights on our products and services, utilizing them to fuel our continuous improvement initiatives. Our ambition is to surpass your expectations at every juncture.
9. 24/7 Customer Service:
Our dedicated customer service team is available around the clock to address any inquiries or concerns you might have. Whether a simple question or a critical situation, we are always prepared to provide unwavering support.