Silver-coated copper powder
Engineered Powders Division

Silver-coated copper powder

This is a high-performance functional material in which copper powder is coated with silver.

Summary

Achieving Consistent Electrical Conductivity Through Proven Coating Technology

Mitsui Kinzoku using the latest technology and extensive expertise, we have achieved a uniform silver coating on the powder surface, resulting in stable electrical conductivity. By selecting the core material, we can provide powders tailored to your specific requirements, such as particle size, particle shape, dispersibility, coating efficiency, and conductivity.

Features and Strengths

  1. High level of customization

  2. Meets a Wide Range of Requirements

Examples of Uses

・Thick-film conductive paste (sintered type/resin-cured type)
・Shielding material
・Conductive adhesive

Line-up

① Dendritic powder: Due to its dendritic shape, this powder can form conductive pathways even at low concentrations.

② Spherical powder: The silver content can be adjusted as desired.

③ Flaked powder: The silver content can be adjusted as desired.

Variety Specific Surface Area (m²/g) Particle Size Distribution (μm) Tap Density (g/cm³) Ag(wt%)
D10 D50 D90
ACAX-225
(10% Ag, dendritic powder)
0.47 4.1 11.2 23.7 1.6 10
ACBY-2
(10% Ag, dendritic powder)
0.85 2.2 6.4 14.7 1.2 10
ACPZ-2
(10% Ag, spherical powder)
0.50 1.0 2.2 4.0 4.9 10
ACFY-2
(10% Ag, spherical powder)
0.29 3.6 5.4 8.4 4.8 10
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*These are representative physical properties; various types of copper powder can be silver-coated.

For those who want to learn more about silver-coated copper powder

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