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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

Additional information

Gram

25 g, 100 g, 500 g, 1000 g