Alumina Spherical Powder

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Alumina Spherical Powder

Purity: 99.9%-99.999%
Brands: BAK Series, Top Cut Series, BAH Series, BAM Series

  • Custom sizes and standard sizes in stock
  • Quick Lead Time
  • Competitive Price

  • Spherical alumina powder is a high-performance inorganic material with high purity and a fine, uniform particle size. It is widely used for heat management, polishing, and as a filler material. As a leading supplier and manufacturer of premium alumina products, we can supply high-quality alumina powders with various specifications and competitive prices, offering customized solutions to meet specific requirements.
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Alumina Spherical Powder Data Sheet

Reference Code:

HM1967

Purity:

99.9%-99.99%

Morphology:

spherical

Series:

BAK Series, Top Cut Series, BAH Series and BAM Series

Alumina Spherical Powder

Spherical alumina powder is a white powder with a purity of 99.9% to 99.999%. It features a high α-phase content, excellent stability, high crystallinity, and uniform particle size. Its spherical shape ensures uniform distribution and enhances its flowability and packing density, resulting in excellent thermal conductivity. Advanced Ceramics Hub can supply high-quality spherical alumina (Alâ‚‚O₃) powder in the BAK, Top Cut, BAH, and BAM series to meet diverse industrial and research needs.

Alumina Spherical Powder 1

Specifications of BAK Series Alumina Spherical Powder

The BAK series is manufactured by calcining ordinary irregular Al2O3 using a high-temperature melting and spheroidizing injection method, followed by purification, sieving, and other processes. Due to its excellent thermal conductivity and flowability, the BAK series is widely used as a thermally conductive interface material, a thermally conductive engineering plastic, and a thermally conductive filler for aluminum-based copper-clad laminates.

Specifications of the Top Cut Alumina Spherical Powder Series

The Top Cut series is an optimized version of the BAK series, characterized by high sphericity, a high filling rate, high thermal conductivity, and a narrow particle size distribution. It is widely used in applications such as epoxy molding compounds, thermal interface materials, thermally conductive engineering plastics, and thermally conductive substrates.

Specifications of BAH Series Alumina Spherical Powder

The BAH series is a blended and modified product primarily used as thermal interface materials (e.g., thermally conductive silicone pads, thermally conductive greases, thermally conductive encapsulation compounds, thermally conductive tapes, phase-change materials, etc.) and thermally conductive engineering plastics (e.g., LED light covers, switch housings, electronic product enclosures, and heat dissipation components for electrical products). We can supply various types of modified products to meet the specific needs of each application.

Specifications of BAM Series Alumina Spherical Powder

The BAM series is manufactured by blending the BAK series with particles of varying sizes to enhance thermal conduction efficiency. BAM offers superior filling capacity, a more optimized particle distribution, and effectively improves the heat transfer efficiency of thermal conduction channels.

Alumina Powder Fine Particle Solutions

Near spherical alumina powder SEM

Near-Spherical Powder

Near-spherical Alumina Powder has a high α-phase content. It offers excellent flowability, dispersibility, and packing density, making it ideal for high-performance ceramics, thermal spray coatings, electronic fillers, and precision polishing.

Spherical Alumina Powder SEM

Spherical Powder

Spherical Alumina Powder is a high-performance Al2O3 material with perfectly spherical particles, high thermal conductivity, and low surface roughness. The products include the HMBAK series, HM Top Cut series, HMBAH series, and HMBAM series.

Nanoparticle Spherical Alumina Powder SEM

Nano Spherical Powder

Nanoparticle Spherical Alumina Powder is an ultra-fine, high-purity Al2O3 material with a high surface area, excellent dispersibility, and thermal conductivity. The particle size ranges from 40-500 nm or can be customized according to specific requirements.

Advantages of spherical alumina powder

  • Excellent fluidity
  • High packing density
  • Particle uniformity
  • High purity and chemical stability
  • Superior mechanical properties
  • Efficient processing

Applications of spherical alumina powder

  • Advanced ceramics : Produces strong and durable ceramics.
  • Thermal spray coatings : Creates coatings that are resistant to heat and corrosion.
  • Catalytic supports : Used in chemical and environmental catalysts.
  • Abrasive manufacturing : Manufactures grinding wheels and polishing materials.
  • Composite materials : Increases heat resistance.
  • Additive manufacturing : 3D prints precise ceramic parts.
  • Thermal Interface Materials advanced ceramic product
    Thermal Interface Materials
  • Thermally Conductive Plastics advanced ceramic product
    Thermally Conductive Plastics
  • Ceramic Film Coatings For Lithium Batteries advanced ceramic product
    Ceramic Film Coatings for lithium Batteries
  • Thermal Spraying advanced ceramic product
    Thermal Spraying
  • Alumina Powder Applied In Abrasive Polishing product from Advanced Ceramics Hub
    Alumina Powder Applied for Abrasive Polishing

Packaging of spherical alumina powder

The spherical alumina powder is carefully placed in wooden or cardboard boxes with additional soft support materials to prevent any shifting during transport. This packaging method ensures the integrity of the products throughout the delivery process.

Powder Packing HM

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To customize your spherical alumina powder, please provide us with the following information:

  1. Particle Size: Specify the desired particle size or range.
  2. Powder Types: Near-spherical powder, spherical powder, or nanoparticle powder.
  3. Purity of the material
  4. Quantity of the powders you need

Once we have these details, we can provide you with a quote within 24 hours.

We carry a wide variety of alumina products in stock, and for these, there is generally no minimum order requirement. However, for custom orders, we typically set a minimum order value of $200. The lead time for stock items is usually 1-2 weeks, while custom orders usually take 3-4 weeks, depending on the specifics of the order.

  • Good Flowability: Spherical shape reduces friction, aiding transport and processing.
  • High Packing Density: Uniform shape improves filling efficiency, saving space.
  • Excellent Thermal Conductivity: Tight packing enhances heat transfer, ideal for thermal materials.
  • Surface Uniformity: Fewer defects, improving final product quality.
  • Strong Processability: Well-suited for spraying, sintering, and other processes, with high efficiency.

Nanoparticle alumina powder provides high surface area and enhanced reactivity for advanced applications.

Advanced Ceramic Hub, established in 2016 in Colorado, USA, is a specialized supplier and manufacturer of graphene products. With extensive expertise in supply and export, we offer competitive pricing and customized solutions tailored to specific requirements, ensuring outstanding quality and customer satisfaction. As a professional provider of ceramics, refractory metals, specialty alloys, spherical powders, and various advanced materials, we serve the research, development, and large-scale industrial production needs of the scientific and industrial sectors.

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