Product Overview
Electronic-grade crystalline silica powder is a high-purity, ultra-fine crystalline silica material specially designed for electronics, semiconductors, photovoltaic (PV) applications, and advanced ceramics industries. Manufactured through advanced refining processes, this product offers excellent chemical stability, high insulation properties, and superior dispersibility, meeting the stringent requirements of precision electronic components.
Product Specifications
-
Purity: ≥99%
-
Particle Size Distribution (D50): 0.5μm-25μm (customizable)
-
Appearance: White ultra-fine powder
-
Density: 2.2-2.6 g/cm³
-
Melting Point: Approx. 1410°C
-
Dielectric Constant: 3.8-4.2 (1MHz)
-
Conductivity: Extremely low (excellent insulation performance)
Key Features
-
High Purity: Purity ≥99%, with minimal impurities to avoid interference with electronic component performance.
-
Precise & Controllable Particle Size: D50 range of 0.5μm-25μm, customizable to ensure uniform dispersion.
-
Superior Insulation: Low conductivity, ideal for high-frequency circuits and insulating materials.
-
High-Temperature Resistance: High melting point and low thermal expansion coefficient, suitable for high-temperature processes.
-
Chemical Inertness: Resistant to acids, alkalis, and oxidation, ensuring long-term stability.
Applications
-
Semiconductor Encapsulation: Used as a filler in epoxy resins and silicones to enhance thermal conductivity and mechanical strength.
-
Electronic Ceramics: Manufacturing of multilayer ceramic capacitors (MLCCs), substrates, and other precision components.
-
Photovoltaic Industry: Passivation layers for solar cells and additives for conductive pastes.
-
Coatings & Adhesives: Functional filler for high-end insulating coatings and thermally conductive adhesives.
-
Precision Polishing: Polishing material for optical glass and semiconductor wafers.
Packaging & Storage
-
Packaging: 25kg/bag , or customized upon request.
-
Storage: Store in a sealed, cool, and dry environment to prevent moisture absorption and contamination.
Quality Control
Strict compliance with ISO 9001 quality management system. Each batch comes with a Certificate of Analysis (COA) to ensure particle size, purity, and other specifications meet standards.
Why Choose Us?
Verified Supplier on Made-in-China.com - Reliable quality
Customizable particle size and purity
Professional team for technical consultation & after-sales support
Stable supply & fast response
Contact us now for a tailored Electronic-Grade Crystalline Silicon Powder solution!
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
Audited Supplier 
){kind=link}