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What is Conductive Silver Paste and its Significance?



Sep. 17, 2022
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Conductive silver paste is highly conductive by nature. Despite the fact that it is largely used in the industrial sector, now it is also utilized in research and manufacturing of different applications as well. An electrically conductive glue is created by mixing eco-friendly chemical mixture, which results in the creation of this ground-breaking paste. It’s most often utilized to create a conductive surface from an insulative one, as opposed to the other way around.


Composition of Conductive Silver Paste

Here we will introduce the composition of conductive silver paste and some other considered factors:

The primary component of conductive silver paste is metallic silver powder. Silver powder concentration affects slurry electrical conductivity.

The conductivity peaks between 80% and 90% silver concentration (weight ratio).

Conversely, if the content is less than 60%, the resistance value is intrinsically unstable.

Applications should consider curing qualities, bonding strength, cost, and other considerations when deciding how much silver to use in a paste.

If the silver conductor’s bonding force weakens after curing into the film, silver particles may slide off.

The silver slurry contains 60-70 percent silver.

The letter (Ag) is used to indicate silver since it represents the molecular or linear formula of the metal. Although the silver paint has a purity of 99.98 percent, its concentration in the conductive paste is more than 75%, according to the manufacturer. It has excellent thermal and electrical conductivity. It attaches to any surface fast because of the strong stickiness of the silver paste, which sticks to any surface. The presence of a volatile solvent base causes it to dry up rapidly.

Performance of Conductive Silver Paste

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It plays a significant role in the production of printable silver conductive ink, which is often used in printed circuit boards. Because it dissolves easily in thinner or solvent, the viscosity of the conductive paste may be tailored to meet the specific requirements of the application. It is more conductive than other conductive paints in general, and it has a higher conductivity.

Applications and Advantages of Conductive Silver Paste

The silver conductive paste is now utilized in a number of high-quality applications, including the following:

Replace any faulty wires on a printed circuit board that are visible.

It is mostly used in the electronics industry for the soldering of components.

It is primarily used in the production of photovoltaic (PV) solar cells.

Automobiles’ rear windshield heaters should be repaired as soon as possible.

The ‘Faraday Cage’ is a helpful inside covering for electronic equipment storage boxes that may be found on the market.

It may be feasible to eliminate the requirement to solder temperature-sensitive components into an electric circuit in the foreseeable future.

The internal components that are susceptible to electromagnetic radiation are properly protected from the detrimental effects of electromagnetic radiation.

In scanning electron microscopy (SEM), it is used to identify and grind samples without allowing electrostatic charges to form on the surface of the specimen.

It is used to create busbars in switchable smart film, which can be switched on and off.

UIV Chem offers Conductive Silver Paste for your production needs. Find product specific information including CAS, MSDS, COA and protocols.

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