| 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 premium synthetic mineral renowned for its incredible hardness and unmatched wear resistance. Engineered through a meticulous process involving the fusion of bauxite, iron filings, and anthracite in a high-temperature electric arc furnace, it undergoes precise cooling, crushing, and screening to ensure exceptional quality. This product's unique physical and chemical properties make it a vital component for a broad spectrum of industrial applications, ensuring optimal performance and durability.
| 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 artful creation of brown fused alumina (BFA) is a multi-stage process, flawlessly orchestrated to include raw material preparation, fusion, cooling, crushing, and meticulous classification. Here's an insightful exploration of this remarkable process:
Raw Material Preparation:
Bauxite: As the cornerstone of our production, bauxite with its rich alumina (Al2O3) content is handpicked to ensure premium quality and minimal impurities, setting the stage for excellence.
Iron filings or scrap iron: Integrated into the blend to facilitate the reduction process during fusion, enhancing overall efficiency.
Anthracite coal: Employed as a potent reducing agent, instrumental in the fusion process.
Fusion:
Electric Arc Furnace (EAF): The expertly prepared mixture is introduced to an electric arc furnace, where temperatures soar to a staggering 2000-2200°C (3632-3992°F) through electric arcs from carbon electrodes, igniting the transformation process.
Reduction and Fusion: Amidst these extreme temperatures, bauxite's alumina melts, engaging with anthracite's carbon to yield molten alumina. Concurrently, iron and other impurities are effectively reduced and segregated.
Cooling:
Cooling the Molten Alumina: The molten alumina is masterfully poured into molds or onto a cooling floor, where controlled cooling plays a pivotal role in crafting the desired crystal structure and size.
Formation of Ingots: As cooling progresses, the material solidifies into grand ingots or blocks of illustrious fused alumina.
Crushing and Grinding:
Primary Crushing: The robust cooled ingots undergo initial breakdown by jaw crushers or similar heavy machinery, paving the way for further refinement.
Secondary Crushing and Grinding: This stage sees the material meticulously crushed and ground to smaller sizes through cone crushers, roll crushers, and ball mills, persisting until the perfect particle size is attained.
Magnetic Separation:
Removing Metallic Impurities: The finely ground material is traversed through magnetic separators, excelling at eradicating iron particles and other metallic impurities, ensuring purity.
Sieving and Classification:
Particle Size Distribution: The refined alumina is systematically sieved into various grades based on particle size, utilizing vibrating screens and air classifiers to achieve precision.
Quality Control: Every batch undergoes rigorous testing for chemical composition, particle size distribution, and other quality metrics, guaranteeing adherence to industry standards and exceptional quality.
Brown fused alumina is celebrated across a multitude of industrial sectors for its remarkable hardness, impressive toughness, and high melting point that makes it indispensable:
Abrasives: A key component in the manufacture of grinding wheels, sandpaper, blasting media, and a variety of other premium abrasive products.
Refractories: Essential in fabricating refractory bricks, castables, and other robust materials designed to withstand extreme temperatures.
Surface Preparation: An ideal choice for cleaning, deburring, and surface preparation tasks in metalworking, automotive, and other precision industries.
Ceramics: A critical ingredient in ceramic products that demand exceptional durability and resistance to 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: Normally available in 200 L (53 gallons) drums.
Material: Fabricated from durable metal or high-density polyethylene for optimal strength.
Features: Secured with tamper-evident seals and designed to be moisture-resistant, these containers are stackable for space-saving storage.
Applications: Employed when additional protection from environmental factors is paramount, or for streamlined handling in automated processes.
Custom Packaging:
Options: Bespoke packaging solutions tailored precisely to specific customer requirements.
Features: Offers custom weights, materials, and labeling options to cater to particular needs and preferences.
Applications: Ideally suited for specialized industries or unique applications necessitating specific packaging standards.
Labeling and Documentation:
Identification: Every package is distinctly labeled with comprehensive product information, including grade, grit size, weight, and batch number.
Safety Information: Labels are detailed with crucial safety and handling instructions.
Compliance: Packaging adheres strictly to international shipping regulations and industry standards, ensuring peace of mind during transit.
Luoyang Frere Import and Export Trading Co., Ltd. is a prestigious pioneer in the trading realm, dedicated to the exceptional specialization in refractory materials and abrasive media. Harmoniously blending industry insight with trade expertise, our company prides itself on possessing state-of-the-art testing facilities and unparalleled technical proficiency. Nestled in the heart of Luoyang city, Henan province, our two illustrious factories bring forth a rich heritage of 24 years in the production of both Brown Fused Alumina (BFA) and White Fused Alumina (WFA).
With a foundation built on strong factory partnerships, we deliver an exquisite range of Cutting Wheels, Grinding Wheels, and Flap Discs at truly competitive prices. Our offerings are celebrated and trusted across the globe, seamlessly fulfilling the dynamic and multifaceted economic and social demands of the modern market. Our unwavering commitment to quality and customer gratification ensures that our products consistently achieve the pinnacle of excellence and reliability.
At Luoyang Frere, we cherish enduring collaborations and eagerly anticipate the privilege of joining forces with your esteemed company. Our dedicated team stands ready to support your endeavors and play a pivotal role in your imminent success and growth.
At Frere company, we hold ourselves accountable to our customers well beyond the sale. Our extensive after-sales service is crafted to guarantee your ongoing satisfaction and success with our offerings. Here's the outstanding service you can anticipate when selecting us as your trusted abrasive and refractory supplier:
1. Technical Support:
Our cadre of seasoned engineers and technical experts is ready to provide unparalleled guidance and assistance. Whether you seek help with choosing the right product, mastering application techniques, or navigating troubleshooting challenges, we are at your service to ensure optimal results.
2. Product Training:
We provide comprehensive training programs to empower your team with the knowledge needed to employ our products efficiently and safely. Our sessions encompass everything from basic handling to sophisticated application strategies, custom-tailored to meet your unique requirements.
3. Warranty and Repairs:
Our products are backed by a solid warranty. Should any problems arise, our dedicated service team stands ready to deliver swift repairs or replacements, minimizing any disruption to your operations.
4. Regular Follow-ups:
We champion proactive customer service. Our team conducts regular check-ins to assess product performance and gather your valuable feedback. This cycle enables us to continually refine and personalize our solutions to align seamlessly with your needs.
5. Maintenance Services:
To extend the life and enhance the efficiency of our products, we offer specialized maintenance services. Our experts can assist in crafting a maintenance schedule and deliver on-site support to ensure your equipment remains in peak condition.
6. Rapid Response:
For urgent matters, our rapid response team is poised to provide immediate support. Acknowledging the critical nature of timing in your business, we resolve issues with utmost speed and efficiency.
7. Spare Parts Availability:
We uphold a vast inventory of spare parts to ensure you promptly receive the necessary components. Our streamlined logistics network promises swift delivery, thereby reducing downtime and maintaining seamless operations.
8. Customer Feedback Loop:
Your insights are priceless to us. We actively solicit your feedback on our products and services, leveraging it to fuel ongoing improvements. Our mission is to surpass your expectations at every junction.
9. 24/7 Customer Service:
Our devoted customer service team is at your disposal around the clock, ready to address any queries or issues you may encounter. Be it a straightforward question or an urgent situation, we are here to offer unwavering support.
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