High-Purity, Low-Impurity Industrial-Grade Spherical Silica Micro Powder

Spherical silica powder

High-Purity, Low-Impurity Industrial-Grade Spherical Silica Micro Powder is a high-performance inorganic non-metallic material manufactured through advanced processing technology. With its unique spherical structure, ultra-high purity (SiO2 content ≥99.6%), and extremely low impurity levels, the product exhibits exceptional flowability, dispersibility, thermal stability, and chemical stability. It is widely used in electronic packaging, high-end coatings, polymer composites, ceramics, adhesives, and other industrial fields, serving as an ideal functional filler to enhance product performance.

Key Features

High Purity & Low Impurities

• SiO2 purity ≥99.6%, with impurity elements (e.g., Fe, Na, Cl-) controlled at ppm levels, ensuring material stability and reliability.

• Spherical Morphology

• Low coefficient of thermal expansion (CTE) and high-temperature resistance (up to 1600°C), ideal for high-temperature packaging and composite materials.
  
  
  

• Chemical Inertness

• Resistant to acids, alkalis, and corrosion, compatible with most resin and plastic systems, extending end-product lifespan.

• Perfect spherical particles with uniform size distribution (customizable between 0.5-50μm), enhancing packing density and flowability while reducing friction.
  
  

• Superior Thermal Properties

Product Application

• Electronic Packaging: Integrated circuits (IC), chip encapsulation, enhancing thermal conductivity and mechanical strength.

• Polymer Composites: Epoxy resin and silicone modification, improving crack resistance and dimensional stability.

• High-End Coatings & Inks: Enhancing coating hardness, wear resistance, and surface gloss.
  
  Customization Service
  Customizable particle size distribution and surface treatments (e.g., hydrophobic modification) for diverse industrial applications.

Soft composite silicon micro powder can be classified into specifications and matched according to customer requirements based on the following characteristics: