High-Purity Low-Sodium Fused Silica Powder (Purity ≥ 99%)

Product Overview

This product is manufactured from high-purity quartz raw materials through high-temperature fusion and refined processing. It features extremely low sodium content (≤50ppm), strong chemical stability, and uniform particle size distribution. Widely used in high-end electronic packaging, specialty ceramics, composite materials, and other fields, it meets stringent customer requirements for high-purity, low-impurity powders.

Core Advantages

Ultra-High Purity: SiO₂ content ≥99%, extremely low impurity levels (Na₂O ≤50ppm)
Controllable Particle Size: Customizable D50 range of 0.5μm-50μm, supports narrow distribution processing
Stable Performance: Low thermal expansion coefficient (0.5×10^-6/ºC), high insulation (volume resistivity >10¹⁶Ω·cm)
Advanced Process: Arc fusion + multi-stage classification technology ensures batch consistency

Technical Parameters

Applications

Electronic Materials: IC packaging fillers, high-frequency substrates, silicone thermal conductive agents
Precision Ceramics: Structural ceramics, refractory materials, glaze additives
Coatings/Adhesives: Reinforcing functional filler to enhance wear and weather resistance
Composite Materials: Aerospace components, polymer modification reinforcement

Packaging & Storage

• Standard Packaging: 25kg/bag (customizable)

• Optional Specifications: 1kg/5kg small packages (sample trials supported)

• Storage Conditions: Keep in a cool, dry place to avoid moisture absorption and caking

Quality Certifications

▪ ISO 9001 Quality Management System Certification
▪ Test Reports
▪ Supports third-party inspection

Service Commitment

▸ Customized production for particle size/purity requirements
▸ Free technical consultation and application solutions
▸ 24-hour response to inquiries, samples shipped within 48 hours