Description
Silicon Dioxide (SiO₂) Nanopowder / Nanoparticles (Spherical, 310 nm, 99.8% Purity)
Silicon Dioxide (SiO₂) Nanopowder is a high-purity, spherical nanomaterial produced through flame synthesis, which ensures excellent uniformity and dispersion. With a particle size of approximately 310 nm and a purity level of 99.8%, this nanomaterial exhibits outstanding physical and chemical stability. Its spherical morphology provides superior fluidity, reduced viscosity in composites, and enhanced performance in high-tech applications. SiO₂ nanopowder is lightweight, non-toxic, chemically inert, and thermally stable, making it an essential material across multiple industries.
Technical Properties:
Items | Unit | Typical Value | Test Method |
---|---|---|---|
Sieve Method (+20 µm) | % | 0.0036 | Wet Sieving |
Laser Method (D50) | µm | 0.31 | Beckman |
Laser Method (D100) | µm | 0.67 | Beckman |
Specific Surface Area | m²/g | 14.2 | Nitrogen Adsorption |
Magnetic Material | ppm | 0.5 | Magnetic Bar Recovery |
Particle Size Distribution
Test Items | Unit | Typical Value | Test Method |
---|---|---|---|
Chemical Composition SiO₂ | % | 99.80 | Weight Method |
Fe₂O₃ | ppm | 80 | Spectrophotometer |
Moisture | % | 0.07 | Weight Method |
Whiteness | / | 94.5 | Whiteness Meter |
Ec | µS/cm | 13.0 | Conductivity Meter |
Na⁺ | ppm | 0.71 | Atomic Absorption |
Cl⁻ | ppm | 0.45 | Auto Electric Potential Titrator |
pH | / | 4.29 | pH Meter |
Key Features:
Spherical Morphology: Excellent fluidity, low thermal stress, and uniform distribution in composites.
High Purity (99.8%): Ensures reliability in high-performance applications.
Thermal Stability: Maintains structural integrity at high temperatures.
Low Impurities: Very low levels of Fe₂O₃ and other contaminants.
Controlled Particle Size: Narrow size distribution for consistent performance.
Applications:
Electronics & Semiconductors: Used in insulating layers, IC packaging, and dielectric materials.
Composites & Polymers: Improves mechanical properties, reduces thermal stress, and enhances wear resistance.
Ceramics & Glass: Provides thermal stability, uniformity, and enhanced optical properties.
Paints & Coatings: Used as a filler to improve hardness, abrasion resistance, and gloss.
Catalysts & Additives: Acts as a carrier in catalytic reactions due to its high surface area.
Biomedical Applications: Biocompatibility makes it suitable for drug delivery and biosensing.
SEM