| 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 Supplier Audited by an independent third-party inspection agency
Brown Fused Alumina, also revered as Brown Aluminum Oxide, stands as a synthetic mineral of remarkable distinction, renowned for its exceptional hardness and superior wear resistance. This masterpiece is crafted through the meticulous melting of bauxite, iron filings, and anthracite in a high-temperature electric arc furnace. Following this, it undergoes a precise process of cooling, crushing, and screening, resulting in a product with unparalleled physical and chemical properties. Its extraordinary characteristics render it an indispensable asset across a multitude of industrial applications, ensuring unmatched 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 meticulously orchestrated process, involving multiple stages that ensure the highest quality. These comprehensive stages include raw material preparation, fusion, cooling, crushing, and classification. Here's an in-depth look at each essential step of this process:
Raw Material Preparation:
Bauxite: The cornerstone of our process is bauxite, boasting a rich alumina (Al2O3) content. We meticulously select premium quality bauxite to guarantee optimal alumina levels while minimizing impurities, laying the foundation for superior fused alumina.
Iron filings or scrap iron: Incorporated into the mixture to facilitate the reduction process during the fusion phase, ensuring efficiency and purity.
Anthracite coal: Employed as a vital reducing agent, anthracite coal plays a critical role in achieving the desired chemical reaction.
Fusion:
Electric Arc Furnace (EAF): The art of fusion begins as our precisely prepared mixture is introduced into an electric arc furnace. This marvel of engineering operates at extraordinary temperatures of approximately 2000-2200°C (3632-3992°F), utilizing electric arcs between carbon electrodes to achieve the fusion.
Reduction and Fusion: At these elevated temperatures, the alumina from bauxite melts and interacts with carbon from anthracite, producing molten alumina. This stage also effectively reduces and separates iron and other impurities, ensuring a pristine product.
Cooling:
Cooling the Molten Alumina: Once the molten alumina is ready, it is expertly poured into molds or onto a cooling floor. Controlled cooling is paramount to attaining the ideal crystal structure and size, essential for premium quality.
Formation of Ingots: During the cooling phase, the material solidifies into impressive ingots or blocks of fused alumina, setting the stage for the next transformation.
Crushing and Grinding:
Primary Crushing: The robust cooled ingots are initially broken down by powerful jaw crushers or other heavy-duty machinery, preparing them for further refinement.
Secondary Crushing and Grinding: The journey to perfection continues as the material undergoes secondary crushing and grinding with cone crushers, roll crushers, and ball mills. These stages are essential to achieve the precise particle size required for various applications.
Magnetic Separation:
Removing Metallic Impurities: Our commitment to quality is unwavering. The ground material is meticulously passed through magnetic separators, diligently removing any lingering iron particles and metallic impurities to ensure purity.
Sieving and Classification:
Particle Size Distribution: The meticulously crushed and purified alumina is then sieved into various grades based on particle size. This precision task is executed using vibrating screens and air classifiers, resulting in a product tailored to meet diverse industry needs.
Quality Control: Each meticulously prepared batch undergoes rigorous testing for chemical composition, particle size distribution, and other critical quality parameters. This ensures that our product consistently meets the highest industry standards and surpasses customer expectations.
Brown fused alumina stands at the forefront of industrial excellence with its unrivaled hardness, robust toughness, and an impressively high melting point, making it indispensable across a myriad of industrial applications:
Abrasives: Transform your grinding experience with our brown fused alumina used in premium grinding wheels, high-efficiency sandpapers, and cutting-edge blasting media, as well as a range of other abrasive solutions.
Refractories: Revolutionize your production processes with our brown fused alumina, a key component in crafting superior refractory bricks, versatile castables, and other essential materials engineered to withstand and excel under extreme temperatures.
Surface Preparation: Elevate your surface treatment operations with our brown fused alumina, expertly utilized for precision cleaning, meticulous deburring, and optimal surface preparation within industries like metalworking and automotive, ensuring flawless finishes and superior performance.
Ceramics: Enhance your ceramic products with our brown fused alumina, delivering unmatched durability and incredible resistance to thermal shock, perfect for applications demanding resilience and longevity.
| 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 offered in 200 L (53 gallons) drums, providing ample capacity for varied needs.
Material: Manufactured from high-quality metal or high-density polyethylene for robust performance.
Features: Secured with tamper-evident seals, designed to be moisture-resistant, and stackable for optimized storage solutions.
Applications: Employed when additional protection against environmental factors is essential, or for streamlined handling in automated processes.
Custom Packaging:
Options: Offers tailored packaging solutions crafted to meet the specific requirements of our valued customers.
Features: Customizable weights, materials, and labeling options to cater to particular specifications and preferences.
Applications: Perfect for specialized industries or unique applications with stringent packaging standards.
Labeling and Documentation:
Identification: Every package is meticulously labeled with essential product information, including grade, grit size, weight, and batch number, for ease of identification.
Safety Information: Labels prominently feature comprehensive safety and handling instructions to ensure secure usage.
Compliance: Our packaging adheres strictly to international shipping regulations and industry standards, ensuring consistent reliability.
Luoyang Frere Import and Export Trading Co., Ltd. stands as a beacon of distinction in the trading sphere, specializing in the sophisticated realm of refractory materials and abrasive media. With a seamless integration of industry and trade, we pride ourselves on our state-of-the-art testing facilities and unparalleled technical prowess. Nestled in the thriving city of Luoyang, Henan province, our two cutting-edge factories draw upon an impressive 24 years of experience in the production of both Brown Fused Alumina (BFA) and White Fused Alumina (WFA), ensuring products that meet the highest benchmarks of excellence.
Capitalizing on our robust factory partnerships, we present an exquisite range of premium Cutting Wheels, Grinding Wheels, and Flap Discs, all offered at competitive prices. Our products not only achieve widespread acclaim and trust but also skillfully cater to the dynamic economic and social needs of the market. Our steadfast commitment to quality and customer satisfaction guarantees that our offerings consistently align with the highest industry standards, forging a path of reliability and excellence.
At Luoyang Frere, we cherish long-lasting partnerships and eagerly anticipate the chance to join forces with your esteemed company. Our dedicated team is poised to address your requirements and contribute significantly to your success, paving the way for a prosperous future together.
At Frere company, we are committed to extending unparalleled care and support to our customers beyond the initial transaction. Our all-encompassing after-sales service ensures your sustained satisfaction and operational success with our premium products. Here's the unparalleled support you can expect when selecting us as your trusted supplier of abrasives and refractories:
1. Technical Support:
Our distinguished team of seasoned engineers and technical experts is at your disposal to offer top-tier guidance and assistance. Whether it's selecting the right product, mastering application techniques, or overcoming challenges, we are dedicated to helping you attain optimal outcomes.
2. Product Training:
We deliver comprehensive training programs designed to empower your team with the knowledge to utilize our products with utmost efficiency and safety. From fundamental handling to sophisticated application strategies, our training is customized to fulfill your unique requirements.
3. Warranty and Repairs:
Our products are backed by an extensive warranty to ensure peace of mind. In the rare event of any issues, our committed service team promises swift repairs or replacements, minimizing any operational disruptions.
4. Regular Follow-ups:
Believing in the power of proactive service, our team conducts regular check-ins to evaluate product performance and collect your valuable insights. This ongoing feedback loop allows us to continuously refine and enhance our offerings to better cater to your needs.
5. Maintenance Services:
For enduring performance and efficiency, we provide tailored maintenance services. Our experts are ready to assist in formulating a maintenance plan and deliver on-site support to keep your equipment operating at peak condition.
6. Rapid Response:
In urgent situations, our rapid response team is prepared to deliver immediate resolutions. Understanding the importance of time in your operations, we prioritize swift problem-solving to minimize any delays.
7. Spare Parts Availability:
Our extensive stockpile of spare parts ensures you receive the necessary components without delay. With an efficient logistics network in place, we guarantee prompt delivery to reduce downtime and maintain seamless operations.
8. Customer Feedback Loop:
We highly value your feedback and actively seek your thoughts on our offerings. This continuous feedback loop fuels our drive for improvement, with a steadfast commitment to surpassing your expectations at every interaction.
9. 24/7 Customer Service:
Our tireless customer service team is available around the clock to address any inquiries or concerns you may have. From simple questions to urgent matters, we are always here to provide unwavering support.
){kind=link}