Description
Silicon Dioxide (SiO₂) Nanopowder/Nanoparticles, KH550 Coated, Purity: 96.3+%, Size: 20–40 nm
KH550-coated Silicon Dioxide (SiO₂) Nanopowder features a particle size range of 20–40 nm and a purity of 96.3+%. With its high surface area and white appearance, this material offers excellent dispersibility in both oil- and water-based systems thanks to its KH550 silane surface treatment. This coating enhances compatibility with organic and inorganic matrices and improves mechanical, anti-aging, electrical, and moisture resistance properties.
Technical Properties:
Property | Value |
---|---|
Purity (%) | 96.3+ |
Color | White |
Average Particle Size (nm) | 20–40 |
Specific Surface Area (m²/g) | 150–550 |
Bulk Density (g/cm³) | <0.1 |
True Density (g/cm³) | 2.2 |
Elemental Composition (%):
SiO₂ : KH550 | Fe | Ca | Ti | Na |
---|---|---|---|---|
96.3 : 3–4 | 0.02 | 0.002 | 0.012 | 0.025 |
Chemical Properties:
The KH550 silane coating makes the SiO₂ nanoparticles both super-oleophilic and hydrophilic, enabling effective dispersion in various resin systems. This functionalized surface significantly improves material performance in applications where mechanical strength, water resistance, and long-term durability are critical.
Applications:
KH550-coated Silicon Dioxide nanoparticles are used in a wide range of industries as a functional additive:
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Plastics, polymers, and rubber: Improves mechanical strength, electrical insulation, and anti-aging properties.
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Ceramics, glass, and adhesives: Enhances thermal resistance and structural durability.
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Construction and concrete composites: Serves as a reinforcing nanofiller to increase strength and stiffness.
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Biomedical field: Applied in drug delivery systems and theranostics due to biocompatibility.
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Environmental technology: Used in air/water purification, filtration systems, and pollution control materials.
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Coatings and composites: Increases scratch resistance, barrier properties, and enhances filler–matrix interactions.