Product Introduction
(High-End Electronic Grade Material)Specially developed for precision industries, this spherical silica micro powder is produced using advanced plasma melting technology. It boasts ultra-high performance metrics including purity ≥99.6% and sphericity ≥97%, with customizable particle sizes (0.5-50μm). The product offers excellent flowability and low thermal expansion coefficient, making it an ideal functional filler for semiconductor packaging, high-end coatings, thermal conductive adhesives, and other applications-enhancing product reliability and process efficiency.
Core Advantages
Ultra-High Purity: SiO2 content ≥99.6%, heavy metal impurities <50ppm, meeting stringent electronic-grade material standards
Perfect Sphericity: Sphericity ≥97%, smooth surface without edges, significantly improving material flowability and packing density
Precise Customization: Supports customizable particle sizes within 0.5-50μm, with D50 deviation controlled within ±0.5μm
Stable Performance: Low alpha radiation (<0.01 c/cm²·h), thermal expansion coefficient of 3.5×10-6/ºC, excellent batch-to-batch consistency
Technical Parameters
Parameter | Specification
SiO2 Purity | ≥99.6%
Sphericity | ≥97%
Particle Size Range | 0.5-50μm (customizable)
Density (g/cm³) | 2.2-2.6
Dielectric Constant | 3.8-4.2 (1MHz)
Moisture Content | ≤0.1%
Typical Applications
Semiconductor Packaging: Key filler for EMC/epoxy molding compounds, reducing thermal stress
Electronic Adhesives: Enhances thermal/insulating properties, minimizes filler sedimentation
High-End Coatings: Improves wear resistance, enables low-viscosity high-filling
5G Materials: Filler for high-frequency PCB copper-clad laminates, optimizing dielectric properties
Service Commitment
Supports sample testing and specification verification
Provides particle size distribution charts and test reports
5 years of R&D experience, monthly production capacity of 200 tons
Packaging & Shipping
25kg/bag, or customized per client requirements
Moisture-proof and shock-resistant packaging, global logistics supported
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.
