2025-08-26
There are a few main types, each with pros and cons:
Acrylic: Easy to put on and dries quickly. It is also easy to remove if you need to fix the board later.
Silicone: Very good for high temperatures. It is flexible but can be messy to remove.
Urethane: Very strong and resistant to chemicals. It is also hard to remove.
Epoxy: Creates a very hard, tough shell. It is difficult to remove once cured.
Spray Can: The easiest way for small projects. You spray it on like paint.
Brushing: Using a brush to paint it on. Good for fixing small areas.
Dipping: The whole board is dipped into a tank of coating. This covers everything evenly.
Automatical: For mass production,automatical conformal coating machine is the best choice.
In short, conformal coating is a simple and effective way to protect circuit boards from the real world. It acts like a raincoat for electronics, keeping them safe from anything which may damage them,so they can work reliably for a long time.
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