High Purity Alumina
Ultra Pure, 5N, 4N, 3N, low alpha quality
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High Purity Alumina
High Purity Alpha Alumina Powder is engineered to meet exacting standards of purity and consistency, crucial for advanced applications in sectors such as semiconductors, technical ceramics, and electronics. Available in varying grades (3N, 4N, 5N) that denote purity levels from 99.9% to 99.999%, this alumina powder features controlled particle size distribution, tailored specific surface areas, and minimal impurities, making it ideal for applications requiring high thermal conductivity and electrical insulation properties.
These characteristics are crucial in enhancing the performance and compatibility of the material within different industrial processes. For instance, in semiconductor manufacturing, a consistent particle size distribution ensures uniformity and reliability in insulating layers. Similarly, in technical ceramics, tailored specific surface areas can significantly impact the material's sintering behavior and final mechanical strength. Furthermore, the powder's minimal impurity content minimizes the risk of contamination and defects, thereby improving the overall quality and longevity of the end products. This makes High Purity Alpha Alumina Powder an indispensable material for cutting-edge technological applications where precision and reliability are paramount.
Product Selector Guide
| Product | Purity | Phase | Morphology | Surface area | D50 | Density | Na | Si | Fe | Ca | Other | Apps |
| SDF | 5N | α | Spherical | 6-12 | 40-50 | 0.5-0.6 | <10 | <4 | <3 | <3 | <1 | Sapphire, Semi |
| SDC1 | 5N | α | Spherical | 8-12 | 40-50 | 0.2-0.4 | <10 | <6 | <4 | <4 | <1 | Semi |
| M1 | 5N | α | Irregular | 6-15 | 0.9-1.5 | 0.2-0.4 | <10 | <4 | <3 | <3 | <1 | Semi |
| M3 | 5N | α | Irregular | 6-15 | 2-3 | 0.2-0.4 | <10 | <4 | <3 | <3 | <1 | Semi |
| M5 | 5N | α | Irregular | 6-15 | 3-5 | 0.2-0.4 | <10 | <4 | <3 | <3 | <1 | Semi |
| M-HT | 5N | α | Irregular | 4-8 | 2-6 | 0.3-0.5 | <10 | <4 | <3 | <3 | <1 | Semi |
| LU-M | 4-5N | α | Irregular | 8-15 | 1-5 | 0.3-0.5 | <10 | <4 | <3 | <5 | <1 | EMC, Low U/Th |
| 4N-5MB | 3-4N | α | Spherical | 12-18 | 0.4-5 | 0.7-0.9 | <50 | <30 | <10 | <15 | TC | |
| 4N-5MBJ | 3-4N | α | Irregular | 12-18 | 0.7-0.8 | 0.5-0.7 | <50 | <10 | <10 | <10 | TC | |
| 4N-HT-SMB | 3-4N | α | Spherical | 8-12 | 0.5-0.7 | 0.7-0.9 | <50 | <15 | <15 | <15 | TC |
Frequently Asked Questions
What is Alumina?
Alumina, or aluminum oxide (Al2O3), is a white crystalline powder that is produced from bauxite through the Bayer process. It is used as a raw material in the production of aluminum metal and has numerous industrial applications due to its hardness and resistance to wear and corrosion.
How is Alumina produced?
Alumina is produced through the Bayer process, which involves refining bauxite ore to obtain aluminum oxide. Bauxite is first crushed and mixed with caustic soda, which dissolves the alumina. The solution is then filtered to remove impurities, and the alumina is precipitated out, washed, and heated to remove water.
What are the main applications of Alumina?
Alumina is widely used in various industries. Its primary use is in the production of aluminum metal. It is also used in the manufacture of ceramics, refractories, abrasives, and as a filler in plastics and cosmetics. Additionally, alumina is used in water purification and as a catalyst in chemical processes.
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What is the key element concentration of different purities?
| Purity | Na | Mg | Si | Ca | Ti | Cu | Cr | Fe | K |
| 3N (99.9%) | <150 | <20 | <50 | <50 | <20 | <10 | <5 | <50 | <20 |
| 4N(99.99%) | <30 | <5 | <10 | <10 | <5 | <5 | <5 | <20 | <10 |
| 5N(99.999%) | <4 | <1 | <3 | <3 | <0.5 | <0.5 | <1 | <1 | <0.5 |
Additional information
High Purity Alumina (HPA) is a critical material used in a variety of high-tech applications. We pride ourselves on producing HPA with the highest purity levels, specifically designed for the most demanding applications. Our proprietary manufacturing process significantly reduces impurities, resulting in alumina that meets and exceeds industry standards.
Applications:
- Semiconductors: Essential for leading-edge device fabrication, reducing contamination and improving device reliability.
- Aerospace and Defense: Used in optical components, thermal barriers, and electrical insulators.
- Medical: Ensures safety and reliability in medical devices and implants.
- Sapphire Production: Critical for high-quality sapphire used in LED and electronic applications.
- Battery Technologies: Enhances performance in advanced energy storage systems.
Sustainability: Our innovative technology not only delivers superior purity but also significantly reduces energy consumption and greenhouse gas emissions, aligning with our commitment to sustainable manufacturing.
Quality Assurance: With rigorous quality control processes and ISO-9001:2015 certification, we guarantee consistent quality and performance in every batch of our HPA products.
High purity alumina Benefits
Tailored Purity Levels
Offering varying purity levels such as 3N (99.9%), 4N (99.99%), and 5N (99.999%) allows for customization to meet the specific needs of diverse industries, including semiconductors, technical ceramics, and high-precision manufacturing. The precise control over impurity levels ensures that each application receives the appropriate material quality, which is critical in achieving optimal performance and reliability. For example, the semiconductor industry demands extremely high purity to prevent any electrical interference and ensure device longevity, whereas technical ceramics may require specific impurity profiles to enhance mechanical properties. Our ability to tailor purity levels guarantees that our materials meet the stringent requirements of these advanced applications.
Tailored Particle Size Distributions and Specific Surface Areas
The ability to customize particle size distributions and specific surface areas is essential in meeting the unique demands of various applications. For instance, smaller particle sizes with higher surface areas are often preferred in catalysis and battery technologies for their enhanced reactivity and efficiency. Conversely, larger particles may be advantageous in structural ceramics for improved mechanical strength. By precisely controlling these parameters, we can optimize the performance, compatibility, and overall effectiveness of the material in its intended application. This customization enhances not only the functional properties but also the processing characteristics, such as flowability and compaction behavior, ensuring seamless integration into customer processes.
Advanced Manufacturing
Utilizing state-of-the-art processing technology is crucial in maintaining unparalleled consistency and quality across our product range. Advanced manufacturing techniques, such as precision milling, controlled atmosphere furnaces, and high-purity gas systems, ensure that each batch of material meets the exacting standards required by high-tech industries. This commitment to advanced manufacturing allows us to produce materials with uniform particle size distributions, controlled surface chemistries, and minimal contamination, which are essential for applications in semiconductors, optics, and other high-precision fields. The integration of real-time monitoring and quality control systems further ensures that every product consistently meets the highest quality benchmarks.
Customizable Solutions
We offer customizable solutions by adapting properties and incorporating specific additives to fit precise customer applications, thereby enhancing product functionality. This includes modifying chemical compositions, particle morphologies, and incorporating dopants or stabilizers to achieve desired characteristics. For example, adding specific dopants to semiconductor materials can tailor electrical properties, while incorporating stabilizers in ceramic materials can improve thermal and mechanical stability. Our customizable solutions are developed in close collaboration with customers, ensuring that the final product perfectly aligns with their technical requirements and performance goals. This flexibility not only meets the immediate needs but also anticipates future advancements in technology and application demands.
Sustainable Practices
Our commitment to sustainable practices is reflected in our eco-friendly manufacturing processes that significantly reduce energy consumption and carbon emissions. By leveraging advanced production technologies, such as low-energy milling and recycling of process gases, we minimize environmental impact while maintaining high product purity and quality. This approach not only supports global sustainability initiatives but also enhances the efficiency and cost-effectiveness of our manufacturing processes. Sustainable practices extend to our supply chain management, where we prioritize sourcing raw materials from environmentally responsible suppliers and optimize logistics to reduce our carbon footprint. These efforts ensure that our products contribute to a more sustainable future without compromising on performance or reliability.
Expert Support
Dedicated technical support and collaborative R&D partnerships are central to optimizing application outcomes for our customers. Our team of experts works closely with clients to understand their specific needs and challenges, providing tailored recommendations and technical guidance throughout the product lifecycle. Collaborative R&D efforts drive innovation, enabling the development of cutting-edge materials and solutions that address emerging industry trends and requirements. This partnership approach not only enhances product performance but also accelerates time-to-market for new technologies. Our comprehensive support includes material characterization, application testing, and process optimization, ensuring that our customers achieve the best possible results with our products.
Reliable Supply Chain
We maintain a reliable supply chain with strong logistical capabilities to ensure dependable delivery and consistent product availability. Our robust logistics network, combined with strategic inventory management, allows us to meet customer demands promptly and efficiently, even during periods of high demand or supply chain disruptions. This reliability is backed by our commitment to customer satisfaction and support, ensuring that our clients can rely on us as a trusted partner in their production processes. Our global distribution network ensures that materials reach their destination in optimal condition, while our proactive communication and support services address any issues swiftly, maintaining the highest levels of customer trust and satisfaction.