Key Selling Points
Ultra-High Purity: SiO2 ≥99%, low metal impurities, excellent chemical stability
Precise Particle Size: D50 0.5μm-25μm (customizable), with laser particle size analysis report available
Outstanding Performance: High insulation (volume resistivity >1015 Ω·cm), heat-resistant (melting point >1600°C)
Custom Solutions: Tailored particle size distribution & surface modification (e.g., silane coupling agent)
Technical Specifications
| Parameter |
Value / Description |
| Chemical Composition |
SiO2 ≥99%, Fe2O3 ≤0.01%, Al2O3 ≤0.1% |
| Particle Size Distribution |
D50 0.5-25μm (D97/D10 customizable) |
| Whiteness |
≥92% (ISO brightness standard) |
| Moisture Content |
≤0.5% (105°C drying method) |
| Loss on Ignition |
≤0.8% (1000°C treatment) |
| Density |
2.65 g/cm³ (true density) |
| Item |
Unit |
Typical Values |
| Exterior |
/ |
white powder |
| Density |
kg/m³ |
2.65 ×103 |
| Moh's hardness |
/ |
7 |
| Coefficient of linear expansion |
1/k |
14×10-6 |
| Pyroconductivity |
w/k.m |
12.6 |
| Refraction coefficient |
/ |
1.54 |
Applications
Electronics Encapsulation: Filler for epoxy/silicone resins to reduce CTE & enhance thermal conductivity
Ceramics: Reinforcing phase for precision ceramics & refractory materials
Coatings: Wear-resistant modifier for high-end anti-corrosion coatings
Rubber/Plastics: Strengthening filler for polymer composites
3D Printing: Raw material for specialty ceramic powders
Quality Control
▸ ISO9001-certified manufacturing process
▸ Batch-specific third-party test reports (SGS/BV available)
▸ Dust-free workshop for grading & packaging
Packaging & Shipping
Standard: 25kg/bag (customizable options)
Logistics: Bulk bags or sample sizes upon request
Why Choose Us?
Direct Manufacturer: Own quartz mining resources for purity control
Advanced Technology: Imported airflow classification equipment for precise sizing
Rapid Support: Samples shipped within 48 hours + technical solutions
Contact Now: Free samples & expert engineering support for optimal particle size matching!
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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