product information:
Product Description
This product is a high-purity electronic-grade spherical alumina filler, specially optimized for precision ceramic applications. It features high sphericity, narrow particle size distribution, excellent thermal stability, and chemical inertness. Produced via advanced flame fusion technology, it ensures smooth particle surfaces and superior flowability, significantly enhancing the sintering density, mechanical strength, and thermal conductivity of ceramic materials. Ideal for high-end electronic ceramics, structural ceramics, and functional ceramics.
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
Electronic Ceramics: MLCC (Multilayer Ceramic Capacitors), ceramic substrates, insulators
Structural Ceramics: High-strength wear-resistant components, cutting tools
Functional Ceramics: Thermal conductive ceramics, bioceramics, transparent ceramics
Other Fields: 3D printing ceramic powders, precision coating materials
Key Advantages
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High Purity & Density: ≥99.5% purity with low Na/K content, preventing sintering defects.
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Optimized Sphericity: Perfect spherical shape reduces interparticle friction, improving slurry flowability and packing density.
-
Enhanced Performance: Boosts mechanical strength, thermal conductivity, and dielectric properties of ceramics.
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Process Compatibility: Suitable for dry pressing, injection molding, tape casting, and other forming processes.
Packaging & Storage
Why Choose Us?
Customization: Tailored particle size and surface treatments (e.g., silane coupling agent modification).
Strict QC: ISO 9001-certified manufacturing with batch inspection reports provided.
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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