Key Selling Points
99%+ High Purity | Strict chemical purification process, extremely low impurity content, meets high-end material requirements
Precise Particle Size Control | D50 0.5μm-25μm customizable, supports nano-scale ultrafine powder
Stable Crystal Structure | High-temperature crystallization treatment, high hardness, low thermal expansion coefficient
Eco-Friendly & Non-Toxic | Complies with RoHS/REACH certifications, safe for electronics and medical applications
Product Parameters
| Parameter |
Details |
| Chemical Purity |
≥99% (SiO2 content) |
| Particle Size |
D50 0.5μm-25μm (customizable) |
| Whiteness |
≥90% (ISO standard) |
| Specific Surface Area |
5-30 m²/g (adjustable based on particle size) |
| Density |
2.65 g/cm³ (true density) |
| Mohs Hardness |
7 |
| Moisture Content |
≤0.3% |
| Loss on Ignition |
≤0.5% (at 1000°C) |
| 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
Electronic Materials: IC packaging, semiconductor fillers, high-frequency substrates
Coatings Industry: High-end anti-corrosion coatings, ceramic coating hardeners
Plastics & Rubber: Thermally conductive composites, silicone rubber reinforcement
Advanced Ceramics: Structural ceramics, electronic ceramic sintering aids
Other Fields: 3D printing materials, cosmetic sunscreen agents (nano-grade)
Production Process
Adopts an integrated "Washing & Grading - High-Temperature Crystallization - Jet Milling" process to ensure:
-
No metal ion contamination
-
Narrow particle size distribution (PDI < 0.3)
-
Controlled surface hydroxyl content
Packaging & Shipping
Standard Packaging: 25 kg/bag (moisture-proof bag)
Custom Options: 1-ton container shipping available
Quality Assurance
Third-party test reports provided per batch (SGS/BV optional)
Custom particle size and surface modification supported
ISO 9001 / 14001 dual-certified
Why Choose Us?
-
Direct Manufacturer: Own quartz mine + integrated production line, competitive pricing
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Technical Team: Free sample testing & application solution design
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Fast Response: Technical support within 48 hours, OEM services available
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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