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Finding the right potting material for PCB

Finding the right potting material for PCB

The PCB or printed circuit board has critical components of an electronics. These components need to be protected from damage. Electronics engineers use different methods to protect the parts. These are conformal coating and PCB potting.

This involves using organic polymers to protect the circuit boards and the electronic components associated with them. They come with differences and similarities, and what you pick usually depends on the application of the electronics.

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PCB potting

PCB potting protects the substrate by filling the enclosure with the potting compound in liquid form. An encapsulation resin can also be used. The compound fills the housing, and, in some cases, the whole component or circuit board is covered.

This is one of the best ways to give the components abrasion resistance. Depending on the potting compound used, there is protection against impact, vibration, chemicals, and heat. There are others that are the best for environmental hazard protection. Today’s most typical materials include silicone, polyurethanes, epoxy, and unsaturated polyesters.

Should you use a conformal coating or potting for PCBs?

When you get familiar with conformal and PCB potting, you may start wondering which one is the better option. The answer to that question usually depends on the applications it is being used for. Conformal and PCB potting are intended to offer protection to the substrate from various hazards to ensure that their integrity is not compromised.

If you are dealing with an application that needs high resistance to chemicals, heat, abrasion, impact, and vibration, you should opt for PCB potting. This is a more resilient and durable option that is the best for applications that are physically demanding.

PCB potting offers protection against different electrical arcs. This is why it is commonly used in electrical devices that are high voltage. This method is fast and can be easily done in assembly lines as required.

When you want to inspect, repair, or rework a potted device, that has been potted can be tricky and may end up damaging the entire substrate. Conformal coatings are easier to handle. The coatings don’t have physical stress, allowing them to protect the PCBs, especially where the components are sensitive.

Conformal coatings also tend to occupy less space inside the device’s enclosure, which means that the device’s weight is not too high. This is a good choice for devices where weight and size are concerned. This includes industries such as handheld electronics.

Bottom line

In the electronic assembly industry, potting compounds are very important and offer the most effective protection, even in challenging conditions. They improve the component’s strength mechanically and offer the best electric insulation.

Potting compounds can be used in various industries such as consumer electronics, aerospace, and automotive. Finding a manufacturer who understands how important the potting compounds are is critical. At deep material, we have the right tools and know-how to create the most functional potting compounds that can be used in different applications. With research and development, we are in a position to offer the market the most outstanding solutions. We can custom-make solutions to meet even the most specific demands in the market today.

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We offer guidance in materials that are ideal for particular settings while offering a wide variety of products for our clients.

For more about finding the right potting material for PCB,you can pay a visit to DeepMaterial at for more info.

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