| Customization: | Available |
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| Natural Abrasive Type: | Fused Alumina |
| Artificial Abrasive Type: | Corundum Abrasives |
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Brown Fused Alumina, often referred to as Brown Aluminum Oxide, is an extraordinary synthetic mineral renowned for its remarkable hardness and exceptional wear resistance. This premium product is meticulously crafted by melting bauxite, iron filings, and anthracite in a high-temperature electric arc furnace. The process is followed by a precise cooling, crushing, and screening method, resulting in a product of unmatched physical and chemical excellence. These superior qualities render it an essential component in a wide range of industrial applications, ensuring peak 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 our premium brown fused alumina (BFA) is an intricate process involving multiple critical stages that guarantee quality and performance. This process includes meticulous raw material selection, precision fusion, controlled cooling, thorough crushing, and detailed classification. Here's an in-depth look at each step:
Raw Material Preparation:
Bauxite: The cornerstone of our production, bauxite, is chosen with utmost care to ensure a high alumina (Al2O3) content and minimal impurities. This selection is pivotal for achieving superior product quality.
Iron filings or scrap iron: Integrated into the mixture to facilitate the reduction process during the fusion stage, ensuring optimal results.
Anthracite coal: Employed as a powerful reducing agent, anthracite coal is essential in our process, driving the efficient transformation of materials.
Fusion:
Electric Arc Furnace (EAF): The expertly prepared mixture is introduced into a state-of-the-art electric arc furnace. This furnace achieves extreme temperatures (approximately 2000-2200°C or 3632-3992°F) via electric arcs between carbon electrodes, ensuring thorough fusion.
Reduction and Fusion: At these fiery temperatures, the alumina from bauxite is transformed into molten form, reacting efficiently with the carbon. Impurities, including iron, are reduced and separated, ensuring purity.
Cooling:
Cooling the Molten Alumina: The molten alumina is carefully extracted from the furnace and strategically poured into molds or over designated cooling floors. This controlled cooling is vital for obtaining the perfect crystal structure and desired size.
Formation of Ingots: As cooling proceeds, the material solidifies, forming robust ingots or blocks of fused alumina-an essential step for future processing.
Crushing and Grinding:
Primary Crushing: The substantial cooled ingots undergo initial breaking down using jaw crushers or other powerful machinery, initiating the transformation into usable forms.
Secondary Crushing and Grinding: The process advances as the material is further pulverized using an array of crushers and ball mills, achieving the precise particle size required for diverse applications.
Magnetic Separation:
Removing Metallic Impurities: Utilizing advanced magnetic separators, any residual iron particles and metallic impurities are expertly extracted, ensuring the utmost purity of the product.
Sieving and Classification:
Particle Size Distribution: To ensure consistency and quality, the finely crushed and purified alumina is meticulously sieved into various grades by particle size, utilizing advanced vibrating screens and air classifiers.
Quality Control: Every batch is rigorously tested for its chemical composition, particle size distribution, and other critical quality parameters, ensuring adherence to stringent industry standards and customer satisfaction.
Brown fused alumina serves as an indispensable asset across a multitude of industrial realms, celebrated for its unparalleled hardness, robust toughness, and formidable high melting point characteristics. These attributes render it a quintessential choice for:
Abrasives: It is a key component in the crafting of precision grinding wheels, high-performance sandpaper, efficient blasting media, and numerous other abrasive innovations.
Refractories: A critical element in the creation of superior refractory bricks, advanced castables, and diverse materials engineered to endure intense high-temperature environments.
Surface Preparation: Perfectly suited for meticulous cleaning, precise deburring, and expertly preparing surfaces, essential in industries like metalworking and automotive, where excellence is paramount.
Ceramics: Incorporated into ceramic compositions that demand exceptional durability and resilience against 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: Typically available in 200 L (53 gallons) drums, offering standardization and reliability.
Material: Fabricated from either resilient metal or high-density polyethylene, ensuring protection and durability.
Features: Equipped with tamper-evident seals and designed to resist moisture, these stackable containers enable efficient storage solutions.
Applications: Ideal for scenarios requiring enhanced protection from environmental elements or for streamlined handling in automated processes.
Custom Packaging:
Options: Offers bespoke packaging solutions tailored meticulously to match specific customer needs and requirements.
Features: Fully customizable in terms of weight, materials, and labeling, ensuring that particular needs are precisely met.
Applications: Perfect for specialized industries or unique uses where specific packaging standards are paramount.
Labeling and Documentation:
Identification: Every package is comprehensively labeled with crucial product details, including grade, grit size, weight, and batch number, for seamless identification.
Safety Information: Essential safety and handling instructions are prominently displayed on each label, ensuring user safety.
Compliance: All packaging adheres strictly to international shipping regulations and industry standards, ensuring seamless global distribution.
Luoyang Frere Import and Export Trading Co., Ltd. stands out as a prominent trading enterprise with a sharp focus on high-grade refractory materials and superior abrasive media. Our unique approach seamlessly combines industrial prowess and trade expertise, underpinned by state-of-the-art testing facilities and formidable technical knowledge. Nestled in Luoyang city, Henan province, our two factories are the cornerstone of our 24-year legacy in crafting Brown Fused Alumina (BFA) and White Fused Alumina (WFA).
Empowered by our robust factory alliances, we deliver top-tier Cutting Wheels, Grinding Wheels, and Flap Discs at highly competitive rates. Our extensive product range has garnered widespread acclaim and trust, skillfully addressing the dynamic economic and social needs of today's market. We are unwavering in our dedication to quality and customer satisfaction, ensuring our products consistently meet and exceed the highest benchmarks of excellence.
At Luoyang Frere, we cherish enduring partnerships and eagerly anticipate the privilege of collaborating with your reputable company. Our dedicated team is at your service, poised to fulfill your requirements and bolster your success in the near future.
At Frere company, we uphold a steadfast commitment to customer satisfaction that extends far beyond the initial purchase. Our all-encompassing after-sales service is meticulously crafted to ensure your enduring success and satisfaction with our premium products. Experience unparalleled support when you choose us as your trusted supplier of abrasives and refractories:
1. Technical Support:
Our seasoned team of engineers and technical experts is at your service with unparalleled knowledge and support. From choosing the right product to mastering application techniques and resolving technical issues, we're dedicated to helping you achieve outstanding results.
2. Product Training:
We provide comprehensive training programs designed to empower your team with the competence to utilize our products both efficiently and safely. Our training encompasses everything from fundamental handling to sophisticated application techniques, customized to meet your specific requirements.
3. Warranty and Repairs:
Every product we offer is backed by a solid warranty. Should any issues arise, our committed service team delivers swift repairs or replacements, ensuring minimal impact on your operations and maintaining your business flow seamlessly.
4. Regular Follow-ups:
We are pioneers in proactive customer service. Our team conducts regular follow-ups to assess product performance and gather insightful feedback, enabling us to enhance and tailor our offerings to align perfectly with your evolving needs.
5. Maintenance Services:
Maximize the longevity and efficiency of our products with our superior maintenance services. Our specialists will assist in crafting a maintenance schedule and provide on-site expertise to ensure your equipment remains in peak working condition.
6. Rapid Response:
When urgent issues arise, our rapid response team is at the ready to deliver immediate assistance. Understanding the critical nature of timing in your operations, we act swiftly to resolve any challenges, minimizing disruptions.
7. Spare Parts Availability:
Our expansive inventory of spare parts ensures you have immediate access to any components you require. Supported by our efficient logistics network, we guarantee fast delivery, minimizing downtime and maintaining the seamless flow of your operations.
8. Customer Feedback Loop:
Your feedback is the cornerstone of our improvement process. We actively solicit your insights on our products and services, using them as a catalyst for continuous enhancement. Our ultimate aim is to surpass your expectations in every interaction.
9. 24/7 Customer Service:
Our dedicated customer service team is at your disposal 24/7 to address any inquiries or concerns you might have. Be it a routine question or an urgent issue, we're unwavering in our commitment to support you whenever you need us.
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