What is Antimony (III) Oxide (Sb₂O₃) Micron Powder?

Antimony (III) Oxide (Sb₂O₃) Micron Powder is a white crystalline powder widely used as a flame retardant synergist, catalyst, and opacifying agent in various industrial applications. It enhances fire resistance in plastics, textiles, and coatings while also serving as an important component in glass, ceramics, and electronics.

Chemical Properties of Sb₂O₃ Micron Powder

• Chemical Formula: Sb₂O₃
• Molecular Weight: 291.52 g/mol
• Appearance: White crystalline powder
• Density: ~5.2 g/cm³
• Melting Point: 656°C
• Boiling Point: 1,425°C
• Solubility: Slightly soluble in water, soluble in acids
• CAS Number: 1309-64-4

Applications of Antimony (III) Oxide (Sb₂O₃) Micron Powder

Sb₂O₃ Micron Powder is used in multiple industries, including flame retardancy, glass manufacturing, and electronics.

1. Flame Retardant Synergist

   • Used in plastics, textiles, rubber, and coatings
   • Enhances fire resistance when combined with halogen-based flame retardants
   • Commonly used in PVC, polyethylene, polystyrene, and epoxy resins

2. Glass and Ceramics Industry

   • Acts as an opacifier in glass production
   • Improves clarity and durability in ceramic glazes and enamels

3. Electronics and Semiconductors

   • Used in the production of electronic components
   • Enhances conductivity in certain semiconductor applications

4. Paints and Coatings

   • Acts as a pigment and flame retardant additive
   • Improves weather resistance and durability of coatings

5. Catalyst in Chemical Reactions

   • Used as a catalyst in polyester and polyethylene terephthalate (PET) production
   • Involved in polymerization and oxidation processes

6. Rubber and Plastics Industry

   • Used in the production of rubber compounds
   • Provides thermal stability and flame resistance in polymer products

Antimony (III) Oxide (Sb₂O₃) Micron Powder Prices

The price of Sb₂O₃ micron powder depends on purity, grade, and market demand. Typical price ranges are:

• Industrial Grade (99.0% Purity): $6 – $12 per kg
• High Purity (99.9% – 99.99% Purity): $15 – $50 per kg
• Electronics and Specialty Grade: $50 – $150 per kg

Market fluctuations, bulk purchase quantities, and surface modifications may affect pricing.