High-Purity Silver (Ag) Metal Powder for Electronics, Conductive Materials & Additive Manufacturing
Product Overview
GREENSTONE High-Purity Silver (Ag) Metal Powder is a high-performance metallic powder developed for applications requiring exceptional electrical conductivity, thermal conductivity, chemical stability, and precision processing performance.
With controlled purity, particle morphology, and particle size distribution, GREENSTONE silver powder can be supplied for metal additive manufacturing, electronics, conductive materials, electrical components, brazing materials, jewelry, research, and precision industrial applications.
Silver has the highest electrical conductivity among elemental metals and excellent thermal conductivity, making high-purity Ag powder particularly valuable for advanced conductive and thermal-management applications. Depending on the manufacturing process, particle size and morphology can be optimized for laser-based additive manufacturing, powder metallurgy, binder jetting, sintering, conductive material production, and other powder-processing technologies.
GREENSTONE provides customizable silver powder specifications according to customer requirements for purity, particle size distribution, morphology, flowability, and application process.
High-Purity Silver for Advanced Manufacturing
GREENSTONE silver metal powder is available in high-purity grades suitable for demanding industrial and research applications. Controlled raw materials and powder production processes help minimize unwanted impurities and provide consistent material performance.
Exceptional Electrical Conductivity
Silver offers the highest electrical conductivity of all elemental metals, making Ag powder an important raw material for conductive components, electrical contacts, electronic materials, conductive pastes, and specialized electrical applications.
Excellent Thermal Conductivity
The high thermal conductivity of silver enables efficient heat transfer, making silver powder suitable for applications involving thermal management, electronic components, conductive structures, and specialized heat-transfer materials.
Controlled Powder Morphology
Powder morphology can be selected according to the intended process. Spherical or near-spherical grades provide improved flowability, packing behavior, powder feeding stability, and layer uniformity, which are particularly important for powder-based additive manufacturing and precision processing.
Customizable Particle Size Distribution
Different manufacturing technologies require different particle-size ranges. GREENSTONE can provide customized particle distributions for applications such as additive manufacturing, powder metallurgy, sintering, binder jetting, conductive materials, and research applications.
Typical available ranges may include fine and medium powder grades such as 10–45 μm, 15–53 μm, 20–63 μm, as well as application-specific particle distributions.
Additive Manufacturing Capability
Properly prepared spherical Ag powder can be used for specialized metal 3D printing and additive manufacturing applications. Because silver has very high optical reflectivity and thermal conductivity, laser processing generally requires optimized equipment and process parameters rather than conventional parameters used for steels or nickel alloys.
Excellent Corrosion and Chemical Stability
Silver provides good resistance to many environmental conditions and maintains excellent functional conductivity. For specific environments containing sulfur compounds or other reactive substances, material selection and surface protection should be evaluated according to the actual service conditions.
Wide Industrial Application Range
Typical applications include electronics, electrical engineering, conductive components, thermal-management systems, additive manufacturing, powder metallurgy, jewelry, brazing materials, laboratory research, and precision manufacturing.
| Parameter | Specification |
|---|---|
| Product Name | High-Purity Silver Metal Powder |
| Chemical Symbol | Ag |
| Material Type | Pure Silver / High-Purity Silver |
| Typical Purity | ≥99.9% Ag* |
| Higher Purity Grades | Available upon request |
| Powder Appearance | Silvery-white metallic powder |
| Powder Morphology | Spherical / Near-spherical / Application-specific |
| Typical Particle Size | 10–45 μm, 15–53 μm, 20–63 μm* |
| Customized Particle Size | Available |
| Density of Silver | Approx. 10.49 g/cm³ |
| Melting Point | Approx. 961.8°C |
| Boiling Point | Approx. 2162°C |
| Electrical Conductivity | Approx. 63 MS/m at 20°C for bulk high-purity silver |
| Thermal Conductivity | Approx. 429 W/(m·K) at room temperature for bulk silver |
| Primary Property | Exceptional electrical and thermal conductivity |
| Additive Manufacturing | Suitable with optimized process parameters |
| Binder Jetting / Sintering | Suitable with appropriate powder grade |
| Powder Metallurgy | Suitable |
| Conductive Material Applications | Suitable |
| Typical Industries | Electronics, Electrical, Additive Manufacturing, Jewelry, Precision Manufacturing, Research |
| Typical Applications | Conductive components, electrical contacts, AM parts, conductive materials, thermal-management components, precision parts |
| Particle Size Customization | Available according to application |
| Purity Customization | Available according to application requirements |
*Actual purity, morphology, particle size distribution, oxygen content, apparent density, tap density and flowability should be specified according to the required powder grade and supplied batch certificate.
GREENSTONE can customize silver powder purity, particle morphology and particle size distribution according to specific manufacturing processes. Final chemical composition and powder characteristics are subject to the technical specification and material certificate supplied with each batch.
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