Product Overview
This product is a high-purity spherical silica powder prepared using advanced flame fusion technology. It features a purity of ≥99.6%, uniform particle size distribution (D50 adjustable from 0.5μm to 50μm), and a sphericity of ≥97%. With a smooth surface and excellent flowability, it is widely used in electronic packaging, precision ceramics, coatings, adhesives, and composite materials, significantly enhancing product performance.
Key Parameters
| Parameter | Value |
| Purity | ≥99.6% |
| Particle Size (D50) | 0.5μm-50μm (customizable) |
| Sphericity | ≥97% |
| Specific Surface Area | Adjustable based on particle size (contact for details) |
| Density | 2.2 g/cm³ |
| Color | White powder |
| Moisture Content | ≤0.1% |
Product Advantages
High Purity & Stability: Strict process control ensures extremely low impurity content (Fe, Al, and other metal impurities ≤200ppm), meeting high-end industrial requirements.
Excellent Sphericity: Sphericity rate ≥97%, smooth surface with no edges, significantly improving material flowability and packing density.
Controllable Particle Size: Customizable production within the 0.5μm-50μm range to suit various application scenarios.
Low Oil Absorption: Reduces resin matrix usage, lowering production costs for customers.
Batch Consistency: Full-process quality control ensures uniformity in particle size distribution, purity, and other parameters.
Typical Applications
Electronic Materials: IC packaging, EMC epoxy molding compounds, silicone thermal conductive fillers
Precision Ceramics: Structural ceramics, ceramic membrane reinforcement
Coatings & Adhesives: Enhances wear resistance, weather resistance, and reduces shrinkage
Composite Materials: Plastic and rubber reinforcement, improves mechanical properties
3D Printing: Additive for powder bed fusion (SLS) materials
Packaging & Storage
Packaging: 25kg/bag (moisture-proof composite bag) or customized upon request
Storage: Keep in a cool, dry place to avoid moisture absorption. Recommended shelf life: 12 months.
Transportation: Standard logistics, crush-proof and moisture-proof.
Service & Support
Free samples (up to 1kg) and test reports provided
Customizable particle size and surface treatment (e.g., silanization)
Professional technical team for application solutions
Why Choose Us?
Direct Manufacturer: Own production line for spherical silica powder, annual capacity 3000+ tons
Strict QC: Each batch comes with test reports and laser particle size analysis
Fast Response: Ships within 72 hours, third-party inspection supported
Get a Quote Now! Click "Contact Supplier" for a customized quotation!
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.
