| 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, alternatively known as Brown Aluminum Oxide, is a remarkable synthetic mineral lauded for its extraordinary hardness and exceptional wear resistance. Engineered through the intricate melting of premium bauxite, iron filings, and anthracite within a high-temperature electric arc furnace, and refined through a rigorous cooling, crushing, and screening procedure, this product is celebrated for its unmatched physical and chemical attributes. These outstanding characteristics render it absolutely essential for a diverse array of demanding industrial applications.
| 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 journey of our superior brown fused alumina (BFA) unfolds through several meticulously planned stages, commencing with raw material preparation, followed by fusion, cooling, crushing, and precise classification. Here's an in-depth exploration of this sophisticated process:
Raw Material Preparation:
Bauxite: We initiate with the prime raw material, bauxite, renowned for its high alumina (Al2O3) content. Our bauxite selection process is meticulous, ensuring optimal alumina concentration and minimal impurities, setting the foundation for excellence.
Iron filings or scrap iron: These are skillfully integrated into the mixture to enhance the reduction process during the fusion phase, ensuring superior quality.
Anthracite coal: Harnessed as an efficient reducing agent, anthracite coal plays a pivotal role in the transformation process.
Fusion:
Electric Arc Furnace (EAF): Our advanced Electric Arc Furnace is where the magic happens. The expertly prepared mixture is introduced, with the furnace creating intense heat (approximately 2000-2200°C or 3632-3992°F) through electric arcs generated between carbon electrodes.
Reduction and Fusion: Under these extreme temperatures, the alumina content of the bauxite melds with carbon from anthracite, producing molten alumina while reducing and eliminating iron and other impurities, resulting in a superior product.
Cooling:
Cooling the Molten Alumina: The molten alumina is meticulously poured either into molds or onto a cooling floor. This controlled cooling process is essential for achieving precise crystal structure and grain size.
Formation of Ingots: Upon cooling, the material solidifies into robust ingots or blocks of fused alumina, ready for further refinement.
Crushing and Grinding:
Primary Crushing: The solidified ingots are first carefully dismantled using powerful jaw crushers or other heavy machinery, preparing them for the next stage.
Secondary Crushing and Grinding: Through meticulous processes involving cone crushers, roll crushers, and ball mills, the material is further refined to achieve the desired particle size, ensuring perfection in every grain.
Magnetic Separation:
Removing Metallic Impurities: The finely ground material is passed through sophisticated magnetic separators to ensure the complete removal of any remaining iron particles and other metallic impurities.
Sieving and Classification:
Particle Size Distribution: The purified alumina is then meticulously sieved into distinct grades according to particle size. This is achieved using advanced vibrating screens and air classifiers, guaranteeing precision and uniformity.
Quality Control: Every batch undergoes rigorous testing for chemical composition, particle size distribution, and other critical quality parameters to ensure it meets the pinnacle of industry standards, promising only the finest quality product.
Brown fused alumina stands out in a multitude of industrial applications, revered for its exceptional hardness, formidable toughness, and impressive high melting point:
Abrasives: Perfectly crafted for use in grinding wheels, sandpaper, blasting media, and myriad abrasive products, offering unmatched performance and reliability.
Refractories: Essential in the creation of refractory bricks, castables, and other resilient materials engineered to endure extreme temperatures.
Surface Preparation: Ideal for the meticulous cleaning, deburring, and preparation of surfaces across industries like metalworking and automotive, ensuring impeccable quality and finish.
Ceramics: An indispensable component in ceramic products where high durability and resistance to thermal shock are paramount, ensuring longevity 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: Our durable drums are generally offered in 200 L (53 gallons) capacities.
Material: Fabricated from high-grade metal or high-density polyethylene for resilience.
Features: Enhanced with tamper-evident seals, crafted for moisture resistance, and designed for stackability to optimize storage.
Applications: An optimal solution when heightened environmental protection is required or for streamlined handling in automated systems.
Custom Packaging:
Options: Delivering bespoke packaging solutions tailored to meet precise customer specifications.
Features: Customization at its best, offering specific weights, materials, and labeling to align with unique demands.
Applications: Expertly crafted for specialized industries or applications with stringent packaging criteria.
Labeling and Documentation:
Identification: Every package is meticulously labeled with comprehensive product details, including grade, grit size, weight, and batch information.
Safety Information: Critical safety and handling instructions are prominently featured on each label.
Compliance: Our packaging meets and exceeds international shipping regulations and industry standards, ensuring seamless global distribution.
Luoyang Frere Import and Export Trading Co., Ltd. stands as a distinguished leader in the trading industry, specializing in both refractory materials and abrasive media. Our unique business model seamlessly integrates industry expertise with trade proficiency, allowing us to maintain state-of-the-art testing facilities and exceptional technical know-how. Proudly, our two strategically located factories in Luoyang city, Henan province, are the backbone of our operations, bringing a rich heritage of 24 years in crafting superior-quality Brown Fused Alumina (BFA) and White Fused Alumina (WFA).
Through solid relationships with our dedicated factories, we provide an exquisite range of premium Cutting Wheels, Grinding Wheels, and Flap Discs, available at highly competitive prices. Our products have achieved widespread acclaim and trust, skillfully aligning with the dynamic demands of modern economic and social landscapes. Our unwavering commitment to excellence and customer satisfaction ensures our offerings consistently set the benchmark for quality.
At Luoyang Frere, we cherish the value of nurturing long-lasting partnerships and are genuinely excited about the prospect of collaborating with your esteemed company. Our passionate team is at your service, ready to fulfill your requirements and play a significant role in your future success.
At Frere company, we deeply understand that our commitment to clients transcends the initial sale. Our exceptional after-sales service is meticulously crafted to guarantee your ongoing satisfaction and triumphant outcomes with our offerings. Here's the unparalleled support you'll receive when you select us as your trusted abrasive and refractory partner:
1. Technical Support:
Our distinguished team of engineers and technical experts offers their wealth of knowledge and skill, ready to provide precise guidance and solutions. Whether you're choosing products, mastering application techniques, or solving issues, we're dedicated to helping you achieve outstanding results.
2. Product Training:
We provide comprehensive training programs that empower your team to utilize our products with utmost efficiency and safety. Our sessions cover everything from fundamental handling to sophisticated application techniques, tailored to your unique requirements.
3. Warranty and Repairs:
Our products are backed by a strong warranty. If you encounter any complications, our proficient service team will swiftly handle repairs or replacements, ensuring your operations face minimal interruptions.
4. Regular Follow-ups:
We are committed to proactive service. Our team regularly follows up to assess product performance and collect feedback. This approach allows us to enhance and customize our solutions to better serve your needs.
5. Maintenance Services:
To ensure maximum longevity and performance of our products, we offer specialized maintenance services. Our experts assist you in creating a maintenance schedule and provide on-site support, ensuring your equipment remains in peak condition.
6. Rapid Response:
In urgent situations, our rapid response team is ready to deliver immediate aid. Recognizing the critical nature of time in your operations, we aim to address and resolve issues with the utmost speed.
7. Spare Parts Availability:
We maintain a vast inventory of spare parts, ensuring swift access to essential components. Our seamless logistics network guarantees fast delivery, minimizing downtime and ensuring operational continuity.
8. Customer Feedback Loop:
Your insights are highly valued by us. We actively solicit your feedback on our products and services to fuel continuous enhancement. Our ambition is to surpass your expectations in every engagement.
9. 24/7 Customer Service:
Our devoted customer service team is at your disposal around the clock, ready to address concerns or inquiries you might have. From routine questions to urgent matters, we are constantly available to provide support.
){kind=link}