Fume Silica Nanopowder/Nanopowder (SiO2, 100-150nm, purity 98%)
₹1475.00
Fumed Silica Nanopowder (SiO₂, 100–150 nm, Purity 98%)
Technical Specifications
Property | Specification |
|---|---|
Chemical Name | Silicon Dioxide (SiO₂, Fumed Silica) |
CAS Number | 112945-52-5 |
Molecular Weight | 60.08 g/mol |
Purity | ≥ 98% |
Appearance / Color | White Fine Powder |
Particle Size (Average) | 100–150 nm |
Morphology | Spherical / Chain-like Agglomerates |
Specific Surface Area (BET) | 50–80 m²/g |
Density | 2.2 g/cm³ |
Melting Point | 1710 °C |
Boiling Point | Sublimes above 2230 °C |
Solubility | Insoluble in water; soluble in hydrofluoric acid |
pH (in aqueous suspension) | ~4.0–6.0 |
Stability | Chemically stable; non-hygroscopic under normal conditions |
Key Features
High Purity (≥ 98%) ensures minimal contamination for industrial and laboratory use.
Nanoparticle Size (100–150 nm): Provides moderate surface area and excellent dispersion properties.
Fumed Silica Structure: Chain-like agglomerates of spherical nanoparticles enhance thixotropic and reinforcing properties.
White Fine Powder: Easy to handle, mix, and disperse in liquids and polymers.
High Thermal Stability: Suitable for high-temperature and refractory applications.
Surface Reactivity: Silanol groups on the surface allow for functionalization and chemical modifications.
Applications
1. Reinforcing Agent:
Used as a thickener, filler, and reinforcing agent in silicone rubbers, paints, coatings, and adhesives.
2. Pharmaceuticals & Cosmetics:
Serves as an anti-caking agent, flow enhancer, and thickening agent in powders, tablets, and cosmetics.
3. Polymer & Nanocomposites:
Improves mechanical strength, viscosity, and thermal stability of polymer matrices.
4. Electronics & Coatings:
Used in electronics, conductive inks, and coating formulations for scratch resistance and dielectric properties.
5. Environmental & Adsorbent Applications:
Functions as a carrier material and adsorbent in chemical and environmental applications.
6. Research & Nanotechnology:
Employed in nanocomposite preparation, surface modification studies, and functional silica-based materials research.