Colloidal Silica Nanoparticles (SiO₂, 20–30 nm, 30 % w/w)

₹1475.00

🧪 Colloidal Silica Nanoparticles (SiO₂, 20–30 nm, 30 % w/w)


⚙️ Technical Specifications

Property

Specification

Material Name

Colloidal Silica Nanoparticles

Chemical Formula

SiO₂

Purity

>99%

Particle Size

20–30 nm

Concentration

30 % w/w aqueous dispersion

Appearance / Color

Transparent to slightly opalescent colloidal solution

Solvent

Deionized water

pH

9–10 (typical, can be adjusted)

Surface Charge (Zeta Potential)

Typically -40 to -50 mV

Stability

Stable for 12–18 months under proper storage

CAS Number

7631-86-9

Storage Conditions

Store in sealed container at room temperature; avoid freezing and direct sunlight


🌟 Key Features

  • High-purity silica nanoparticles (20–30 nm)

  • Stable 30 % aqueous colloidal dispersion

  • Uniform particle size for reproducible results

  • High surface area and hydroxyl-rich surface

  • Excellent chemical and thermal stability

  • Good dispersibility in water and polar solvents

  • Versatile for industrial, research, and biomedical applications


🔬 Applications

1. Coatings & Adhesives

  • Used in paints, coatings, and adhesives to improve mechanical strength and scratch resistance

2. Polymers & Composites

  • Incorporated into polymers and composites for reinforcement, thermal stability, and optical clarity

3. Catalysis

  • Acts as support material for catalysts and catalytic reactions

4. Electronics & Semiconductor

  • Applied in dielectric layers, polishing slurries, and electronic components

5. Research & Nanotechnology

  • Ideal for nanomaterial synthesis, surface functionalization, and experimental studies

6. Cosmetics & Personal Care

  • Used in skin care products, toothpaste, and cosmetics for texture and stability enhancement


⚠️ Handling & Storage

  • Store in a sealed container at room temperature, avoiding freezing and direct sunlight

  • Shake gently before use to ensure uniform dispersion

  • Handle with gloves, protective eyewear, and lab coat

  • Use in well-ventilated areas

  • Avoid contact with strong acids or bases that may destabilize the dispersion