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conductive copper powder

The article below has some excellent information if you're looking for conductive pure copper powder for electrooxidation resistance, dispersibility in binder resins, or electromagnetic shielding.

Dendritic copper powder

Dendritic copper powder is used in a number of industries, including EMI shielding, flexible circuit boards, welding, decorative applications, and anti-fouling paints. It has a lot of benefits, including high sinterability, good electrical conductivity, and high moldability. Additionally, it is a less expensive alternative to precious metal powders.

There are various processes that can be used to make it. Electrolysis is one such method that involves submerging the anode and cathode in a sulfuric acid-containing electrolytic solution. The solution is then subjected to direct current in order to precipitate copper onto the cathode.

The powder's dendritic shape gives the particles a lot of contact points, which can lead to high electric conductivity. Additionally, it gives the conductive layer of flexible printed circuit boards flexibility.

The apparent density of the powder is also influenced by its structure. The shape of the powder, the degree of oxidation, the density of the granules, and the porosity of the granules all affect the apparent density.

Why choose TIJO Metal Materials conductive copper powder?

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Sources of copper

The copper powder that are conductive have many different sources now. These powders were chosen because of their excellent electrical and thermal conductivity. They are utilized in contacts and electrical components. Additionally, copper-graphite compositions have a high current-carrying capacity and excellent thermal conductivity.

Additionally, copper powders that resist oxidation can be created using additives or additional layers of defense. These powders can be used to create inexpensive flexible electronics by printing them on various substrates. They can also be utilized for RFID antennas and heating circuits. Their extensive industrial applications, however, have not yet been fully developed. Additionally, the preparation procedure is very difficult.

Porosity also has an impact on the effective thermal conductivity of copper powders. This effect has been researched at standard pressure and room temperature. In order to explain the variation in effective thermal conductivity, a two-phase system model was created.

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