High Purity Ultra-Fine Silica Powder
KOUKI is committed to providing high-quality and high-purity silica material solutions for advanced industrial applications.
Our High Purity Ultra-Fine Silica Powder features extremely low metallic impurities, consistent particle size distribution, and excellent whiteness. It is designed for use in semiconductor packaging materials, electronic fillers, PCB and CCL applications, thermal management materials, and other high-performance composite systems.
Through strict quality control and careful raw material selection, KOUKI delivers stable and reliable silica products that help customers improve product performance, quality, and long-term reliability.
| Item | Specification |
|---|---|
| Appearance | White Powder |
| SiO₂ | 99.9% |
| D50 | 1.2 μm |
| D100 | 2.86 μm |
| Moisture Content | < 0.05% |
| Fe₂O₃ | 0.01 ppm |
| Al₂O₃ | 15 ppm |
| Na₂O | 0.1 ppm |
| K₂O | 0.1 ppm |
| CaO | 0.1 ppm |
| MgO | 0.1 ppm |
| pH Value | 6.6 |
| Whiteness | 97.1% |
Specification based on product test report.
High Purity
SiO₂ content up to 99.9%, suitable for electronic-grade and advanced industrial applications.
Ultra-Low Metallic Impurities
Extremely low iron and alkali metal content helps reduce contamination risks and improve product reliability.
Ultra-Fine Particle Size
Average particle size (D50) of approximately 1.2 μm provides excellent filling efficiency and material uniformity.
High Whiteness
Whiteness above 97%, suitable for applications requiring superior appearance and purity.
Consistent Batch Quality
Strict quality management ensures stable production and batch-to-batch consistency.
Sustainable Material Solution
Combining resource recycling and material upgrading technologies to provide environmentally friendly and cost-effective silica solutions.
Why Choose KOUKI
Advanced Silica Materials Supplier
KOUKI specializes in the development and supply of high-performance silica materials, including:
- High Purity Quartz Lumps
- Ultra-Fine Silica Powder
- Spherical Silica Powder
- Electronic Grade Silica Materials
- Semiconductor Raw Materials
- Recycled High Purity Silica Products
Our mission is to become a trusted global supplier of advanced silica materials for the electronics, semiconductor, and high-tech industries.
Industries We Serve
Semiconductor
Advanced Packaging • EMC • IC Assembly
Electronics
PCB • CCL • Electronic Components
AI & Data Centers
Thermal Management • High Reliability Materials
Industrial Applications
Coatings • Composites • Specialty Fillers
Sustainable High-Purity Silica Solutions
KOUKI is dedicated to creating value through sustainable resource utilization and advanced material processing technologies.
By integrating recycling, purification, and particle engineering capabilities, we provide customers with environmentally responsible silica solutions without compromising quality or performance.
Semiconductor Packaging Materials (EMC)
Used as a functional filler in Epoxy Molding Compounds (EMC) to improve thermal resistance, dimensional stability, and mechanical strength.
PCB & Copper Clad Laminates (CCL)
Enhances insulation performance, thermal stability, and reliability in advanced PCB and CCL applications.
AI Servers & High-Performance Computing
Suitable for advanced thermal management materials used in AI servers, data centers, and high-performance electronic systems.
Thermal Management Materials
Applicable to thermal interface materials (TIM), thermal adhesives, thermal pads, and heat dissipation systems.
High-Performance Coatings & Composites
Improves wear resistance, weatherability, dimensional stability, and surface quality in specialty coatings and composite materials.