product information:
Product Description:
This electronic-grade high-reliability spherical alumina powder features high purity, excellent sphericity, superior thermal conductivity, and stable chemical properties, specially designed for demanding applications including advanced electronic packaging, semiconductor thermal management, and 5G communication materials. Produced through advanced plasma melting technology, it guarantees ≥95% sphericity with smooth, defect-free surfaces, significantly enhancing the thermal management performance and mechanical strength of composite materials.
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
Advanced Electronic Packaging: For IC packaging, LED heat dissipation substrates, improving thermal conductivity and reliability
5G Communication Materials: Suitable for high-frequency substrates and RF device cooling
Thermal Interface Materials (TIM): Enhances thermal grease/paste heat dissipation efficiency
Precision Ceramics: Used in high thermal conductivity ceramic substrates and insulation components
New Energy Vehicle Electronics: Battery management systems (BMS), power module cooling
Key Advantages
High purity (≥99.5%) with ultra-low metallic impurities, ensuring electronic-grade reliability
Excellent sphericity (≥95%) for superior flowability, higher filling rates, and better processability
Outstanding thermal conductivity (30-35 W/m·K) for significantly improved heat dissipation
Strong chemical stability, resistant to high temperatures and corrosion, suitable for harsh environments
Customizable particle size (2-50μm) to meet diverse application requirements
Why Choose Our Product?
Strict QC: Batch-by-batch testing ensures consistent performance
Technical Support: Professional application consultation and customization services
Global Supply Chain: Stable supply with bulk order support
Packaging
Compliance Standards
Contact Us: Request samples or technical consultation anytime!
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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