What is Silver Tin (Ag-Sn) Alloy Nanopowder/Nanoparticles?

Silver Tin (Ag-Sn) alloy nanopowder consists of ultra-fine particles of silver (Ag) and tin (Sn), widely used in electronics, soldering, and antimicrobial applications. Due to its excellent electrical conductivity, corrosion resistance, and biocompatibility, Ag-Sn alloy is an ideal material for high-performance industrial and biomedical applications.

Chemical Properties and CAS Number

• Material: Silver Tin (Ag-Sn) Alloy
• CAS Number (Silver): 7440-22-4
• CAS Number (Tin): 7440-31-5
• Molecular Weight: Varies based on composition
• Density: 7.3 – 10.5 g/cm³ (depending on Ag-Sn ratio)
• Melting Point: ~221°C – 960°C
• Appearance: Grayish metallic powder
• Thermal Conductivity: High
• Electrical Conductivity: Excellent

Applications of Silver Tin (Ag-Sn) Alloy Nanopowder

1. Electronics & Semiconductor Industry

• Used in lead-free soldering materials for printed circuit boards (PCBs) and microelectronics.
• Enhances thermal stability in chip packaging applications.

2. Advanced Soldering Materials

• Key component in high-performance, lead-free solder alloys for environmental compliance.
• Used in aerospace, automotive, and medical soldering applications.

3. Biomedical & Antimicrobial Applications

• Silver provides antibacterial properties, making Ag-Sn ideal for medical coatings and biomedical implants.
• Used in wound dressings, dental alloys, and antimicrobial coatings.

4. Electrically Conductive Pastes & Coatings

• Applied in conductive adhesives and coatings for flexible electronics and touchscreen devices.
• Used in RF shielding and EMI protection materials.

5. 3D Printing & Additive Manufacturing

• Utilized in metal 3D printing and nanostructured materials for high-strength applications.
• Enhances mechanical properties in printed electronic components.

Pricing of Silver Tin (Ag-Sn) Alloy Nanopowder

Prices depend on purity, particle size, order quantity, and composition ratio:

• Lab-Scale Orders: $500 – $2,000 per 100g
• Industrial-Scale Orders: $10,000 – $50,000 per kg
• Custom Compositions: Price varies based on silver content and customization

Factors Influencing Pricing

• Silver-Tin composition ratio (Ag-Sn 10:90, Ag-Sn 20:80, etc.)
• Nanoparticle size and morphology
• Purity level (99.9% to 99.999%)
• Order volume and bulk discounts
• Custom functionalization and coatings

Conclusion

Silver Tin (Ag-Sn) alloy nanopowder is a high-value material used in lead-free soldering, electronics, biomedical coatings, and additive manufacturing. With excellent electrical and thermal properties, it plays a critical role in modern semiconductor and medical applications.