1. Ultra-high purity: Silver content ≥99.95%, total impurities ≤500 ppm 2. Spherical morphology: sphericity >95%, good fluidity, suitable for screen printing, spraying and other processes 3. High conductivity/thermal conductivity: volume resistivity ≤1.6 μΩ·cm, thermal conductivity ≥420 W/(m·K) 4. Controllable particle size: standard particle size 0.1-20μm (customizable), low specific surface area, high sintering activity 5. Oxidation resistance: surface coated with anti-oxidation layer (optional), extending storage and processing stability