What is Aluminum (Al) Micron Powder?

Aluminum (Al) micron powder is a finely milled metallic powder composed of high-purity aluminum particles. Known for its lightweight nature, excellent thermal and electrical conductivity, and high reactivity, it is widely used in aerospace, additive manufacturing, coatings, and energetic applications.

Chemical Properties and CAS Number

• Chemical Formula: Al
• CAS Number: 7429-90-5
• Appearance: Silvery-gray fine powder
• Density: Approximately 2.70 g/cm³
• Melting Point: 660°C
• Solubility: Insoluble in water, reactive with acids and strong bases
• Chemical Stability: Forms a protective oxide layer, highly reactive in fine powder form

Applications of Aluminum Micron Powder

1. Aerospace and Automotive Industries

Used in lightweight aerospace and automotive components due to its high strength-to-weight ratio and excellent corrosion resistance.

2. Additive Manufacturing and 3D Printing

Utilized in powder-bed fusion and direct energy deposition techniques for high-performance metal 3D printing applications.

3. Thermal and Electrical Conductivity Applications

Employed in conductive coatings, heat sinks, and thermal interface materials for electronic devices.

4. Energetic and Pyrotechnic Applications

Applied in rocket propellants, fireworks, and explosives due to its high energy release upon combustion.

5. Paints, Coatings, and Pigments

Used in anti-corrosion coatings, reflective paints, and metallic pigments for industrial and decorative purposes.

6. Metallurgy and Alloy Production

Integrated into aluminum alloys to enhance strength, durability, and heat resistance in various industrial applications.

Pricing of Aluminum Micron Powder

Prices vary based on purity, particle size, synthesis method, and industry demand:

• Industrial Grade: Typically ranges from $10 – $50 per kilogram
• High-Purity/Specialized Grade: Prices range from $100 – $500 per kilogram, used in aerospace, electronics, and energetic applications.

Factors Influencing Aluminum Powder Prices

• Purity level and particle size distribution
• Industry-specific standards and certifications
• Processing complexity and production costs
• Bulk order volume and market trends

Conclusion

Aluminum (Al) micron powder is a crucial material used in aerospace, additive manufacturing, coatings, and energetic applications due to its lightweight, high conductivity, and reactivity. Its widespread use in metallurgy, electronics, and advanced engineering highlights its importance. Pricing depends on purity, particle specifications, and intended industrial applications.