product information:
Product Description:
This product is an electronic-grade high-loading spherical alumina thermal powder, manufactured from high-purity alumina raw materials through advanced processes. It features high sphericity, narrow particle size distribution, and low impurity content, making it ideal for high thermal conductivity composites. It significantly enhances the thermal management performance of thermal greases, thermally conductive plastics, ceramic substrates, and more.
Product Parameters
| Item |
Technical Indicators |
| Chemical Formula |
α-Al2O3 (≥99.5%) |
| Particle Size Range |
D50 2-50μm (customizable) |
| Sphericity |
≥95% |
| Thermal Conductivity |
30-35 W/(m·K) |
| Dielectric Constant |
9-10 (1MHz) |
| Purity |
≥99.5% |
| Moisture Content |
≤0.5% |
Applications
Thermal Greases/Gels: Improves thermal conductivity and reduces thermal resistance
Thermally Conductive Plastics/Engineering Plastics: Enhances heat dissipation for LED and 5G devices
Ceramic Substrates/Electronic Packaging: Optimizes heat diffusion and improves reliability
Battery Thermal Management Materials: Used in new energy battery cooling systems
High Thermal Conductivity Coatings: Boosts heat dissipation efficiency in coatings
Product Advantages
High Loading Rate: Optimized particle gradation enables >85% filling rate, significantly improving thermal conductivity
High Sphericity (≥95%): Excellent flowability for easy processing and dispersion
Low Impurities (Na/K/Fe ≤50ppm): Suitable for high-reliability electronic packaging
Customizable Particle Size (2-50μm): Meets diverse application requirements
High Thermal Conductivity (30-40 W/(m·K)): Effectively enhances heat dissipation
Packaging & Storage
Packaging: 20kg/bag (moisture-proof aluminum foil bag + carton)
Storage: Keep in a cool, dry place to avoid moisture
Why Choose Our Product?
Strict Quality Control: Complies with electronic-grade material standards
Customizable Particle Size & Surface Modification: Adaptable to various applications
Cost-Effective: Ideal for bulk procurement
Technical Support: Provides formulation optimization recommendations
Target Industries
Electronic Packaging (ICs, LEDs, power devices)
New Energy (EV batteries, energy storage systems)
5G Communications (base station cooling, high-frequency PCBs)
Automotive Electronics (motor control systems, charging piles)
Contact us for customized solutions!
Company Information:
Jiangsu Shengtian New Materials Co., Ltd. has a technical research and development team focusing on ultra-fine powder materials, and has strong strength in the research and development and production of ultra-fine functional materials, composite materials and related applications, and has become a more influential high-tech enterprise in the ultra-fine functional powder industry.
The company's products include crystalline silicon powder, molten silicon powder, soft composite silicon powder, spherical silicon powder, aluminum oxide powder, ceramic powder, glass powder and other ten categories, nearly 100 kinds of different specifications of products, and has a strong modification, compounding and other follow-up deep processing technology and capabilities. The products are processed by special technology, the production technology is leading and innovative, and the introduction of international technical standards for similar products, widely used in electronic packaging, copper clad plate, ink coating, adhesive, ceramics, precision casting, glass fiber, plastic rubber and other industries, giving its functionality while helping customers reduce costs. And provide the overall application of technology solutions.
The company has more than 20 different types of production lines, more than 100 sets of domestic advanced equipment, with an annual output of 50,000 tons. The company adopts professional production and testing equipment and formulates strict production quality control system to conduct all-round control of product quality. All products of the company have passed SGS environmental protection testing, in line with the EU ROHS green environmental protection standards. The company took the lead in the silicon powder industry through the ISO9001 quality management system certification and ISO14001 environmental management system certification, has passed the high-tech product identification. The company's products and solutions have been applied to more than 160 enterprises around the world, including more than 80 customers with stable cooperation for more than 10 years.
Workshop:
An excellent manufacturing enterprise
The company has 20 patents, the company has passed ISO9001 and ISO14001 certification, and has been recognized as a national high-tech enterprise
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