Blogs, nanopowder   0   12 March 2025

What is Antimony (Sb) Micron Powder?

Antimony (Sb) Micron Powder is a brittle, semi-metallic element with high conductivity, flame-retardant properties, and excellent chemical stability. Due to its alloying capabilities, oxidation resistance, and catalytic behavior, it is widely used in electronics, metallurgy, batteries, coatings, and polymer additives.

Chemical Properties of Antimony (Sb) Micron Powder

  • Chemical Formula: Sb
  • Molecular Weight: 121.76 g/mol
  • Density: ~6.68 g/cm³
  • Melting Point: ~630.6°C
  • Boiling Point: ~1,635°C
  • Electrical Conductivity: Moderate (~2.5 × 10⁶ S/m)
  • Thermal Conductivity: ~24.4 W/m·K
  • Solubility: Insoluble in water, soluble in strong acids
  • Crystal Structure: Rhombohedral
  • CAS Number: 7440-36-0

Applications of Antimony (Sb) Micron Powder

  1. Electronics & Semiconductor Industry

    • Used in semiconductors, diodes, infrared detectors, and thermoelectric materials.
    • Applied in antimony-tin-oxide (ATO) coatings for transparent conductive films.

  2. Flame Retardants & Fireproof Materials

    • Acts as a flame-retardant synergist in plastics, textiles, and coatings.
    • Used in halogen-based and halogen-free flame retardant formulations.

  3. Metallurgy & Alloy Production

    • Enhances mechanical strength, corrosion resistance, and hardness in lead, tin, and copper alloys.
    • Used in battery grids, ammunition, and high-strength bearings.

  4. Energy Storage & Batteries

    • Applied in lead-acid battery electrodes for improved charge retention.
    • Used in sodium-ion and lithium-antimony (Li-Sb) batteries for next-generation energy storage.

  5. Catalysis & Chemical Processing

    • Used in polyester (PET) production and polymerization catalysts.
    • Acts as a catalyst in petrochemical refining and oxidation reactions.

  6. Coatings & Anti-Corrosion Applications

    • Enhances weather resistance and UV protection in paints, coatings, and pigments.
    • Used in marine coatings, heat-resistant paints, and electroplating applications.

  7. Glass & Ceramics Manufacturing

    • Acts as a clarifying agent and color stabilizer in optical and specialty glass.
    • Used in ceramic glazes and infrared-reflective coatings.

  8. Biomedical & Pharmaceutical Applications

    • Investigated for antimicrobial and anti-parasitic properties in pharmaceuticals.
    • Applied in contrast agents for medical imaging.

Antimony (Sb) Micron Powder Prices

Pricing varies based on purity, particle size, and application-specific modifications.

  • Industrial Grade (98-99% Purity): $50 – $300 per kg
  • High Purity (99.9% – 99.99% for Electronics & Catalysis): $500 – $2,500 per kg
  • Ultra-High Purity (99.999% for Research & Semiconductor Applications): $3,000 – $8,000 per kg

Prices fluctuate based on global antimony supply, refining costs, and demand from high-tech industries.

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