Flake Silver-coated Copper Powder

Description

Flake silver-coated copper powder is a unique type of powder consisting of copper particles that are coated with a layer of silver. This coating process provides the powder with enhanced properties and versatile applications.

The flake shape of the powder particles gives it a distinctive appearance and contributes to its desirable properties. The silver coating on the copper particles adds conductivity, corrosion resistance, and improved thermal properties to the powder. This combination of copper and silver makes it suitable for various applications that require excellent electrical conductivity and thermal performance.

Flake silver-coated copper powder finds wide application in industries such as electronics, automotive, aerospace, and renewable energy. It is commonly used in conductive coatings, printed circuit boards (PCBs), electromagnetic shielding, and as an additive in various electrical and electronic devices. The high conductivity and thermal properties of the powder make it valuable in improving the performance and reliability of electronic components and systems.

Furthermore, the flake silver-coated copper powder offers excellent solderability, allowing it to be easily integrated into soldering processes for efficient and reliable connections.

Overall, the flake silver-coated copper powder combines the conductivity of copper and the benefits of silver coating, making it a valuable material in various advanced applications that require electrical conductivity, thermal management, and corrosion resistance.

Features

❶ Enhanced conductivity: The silver coating on the copper particles significantly improves the electrical conductivity of the powder. It allows for efficient transfer of electrical current, making it ideal for applications that require high conductivity.

❷ Improved thermal properties: The silver coating also enhances the thermal conductivity of the copper powder, enabling efficient heat dissipation. This feature makes it suitable for applications that involve heat management or thermal conductivity requirements.

❸ Corrosion resistance: The silver coating provides a protective layer that helps prevent corrosion of the underlying copper particles. This feature enhances the powder's durability and ensures long-term performance in challenging environments.

❹ Solderability: The flake silver-coated copper powder exhibits excellent solderability, making it easily integrable into soldering processes. This feature enables reliable and efficient connections in electronic assembly and soldering applications.

❺ Versatility: The powder's unique flake shape and combination of copper and silver properties make it versatile for various applications. It can be used as a conductive additive in coatings, inks, and adhesives, or as a component in printed circuit boards, electromagnetic shielding, and other electronic devices.

❻ Compatibility: Flake silver-coated copper powder is compatible with different substrates and materials commonly used in electronic and electrical applications. It can be easily incorporated into existing manufacturing processes and formulations.

❼ Particle size control: The powder is available in different particle sizes, allowing for customization and optimization based on specific application requirements.

Applications

1. Conductive coatings

The powder is used as a conductive additive in coatings and paints, especially those requiring high electrical conductivity. It helps improve the conductivity of the coating, making it suitable for applications such as printed electronics, electromagnetic shielding, and antistatic coatings.

2. Printed circuit boards (PCBs)

Flake silver-coated copper powder is used in the production of PCBs to enhance the conductivity of circuit traces and pads. It allows for reliable electrical connections and efficient signal transmission in electronic devices.

3. Electronic adhesives

The powder is incorporated into conductive adhesives and bonding materials to improve their electrical conductivity. It ensures strong and reliable bonds in electronic component assembly and bonding applications.

4. Electrical contacts

Flake silver-coated copper powder is utilized in the manufacturing of electrical contacts, connectors, and switches. It enables excellent electrical conductivity and helps maintain reliable contact and low resistance over time.

5. Thermal management

Due to its enhanced thermal conductivity, the powder is used in thermal interface materials and heat dissipation applications. It aids in efficient heat transfer, enabling effective cooling of electronic components and systems.

6. Additive manufacturing

The powder can be utilized in additive manufacturing processes, such as 3D printing, to create conductive structures and components. It enables the production of intricate conductive patterns and functional parts with high conductivity.

7. EMI/RFI shielding

Flake silver-coated copper powder is employed in electromagnetic interference (EMI) and radiofrequency interference (RFI) shielding applications. It helps create conductive coatings or materials that block or redirect electromagnetic waves, reducing interference and ensuring signal integrity.

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Specifications

Grade	Morphology	Silver content (wt %)	Particle size distribution (um )			Apparent density (g/cm3)	Tap density (g/cm3)	Moisture (%)	Total oxygen content (wt %)
Grade	Morphology	Silver content (wt %)	D10	D50	D90	Apparent density (g/cm3)	Tap density (g/cm3)	Moisture (%)	Total oxygen content (wt %)
PAC-1	Flake	10~30	≥1.2	3.0~3.5	≤6.5	2.0~2.5	3.2~3.6	≤0.2	≤0.2
PAC-2	Flake	10~30	≥2.6	6.5~7.0	≤15.0	2.6~2.9	4.4~4.6	≤0.2	≤0.2
Li-0103	Flake	3	5.5~7.8	26.3~30.5	48.5~51.7	1.25~1.35	2.2~2.44
Li-0105	Flake	5	5.5~7.8	26.3~30.5	48.5~51.7	1.25~1.35	2.2~2.44
Li-0110	Flake	10	5.5~7.8	26.3~30.5	48.5~51.7	1.08~1.2	2.1~2.34

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About Packaging

Storage

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Store in a cool, dry, ventilated place.

Package

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1kg /bag, 25kg/drum or as per your particular request.

Copper Powder

Flake Silver-Coated Copper Powder