An effective way to protect industrial computer motherboards from corrosion: applying conformal coating
In the industrial field, 4U industrial computers are indispensable equipment, and the corrosion problem of industrial control motherboards has always been a headache for engineers. In order to effectively deal with this problem, many professionals have adopted conformal coating for protection. This article will explore the application and skills of conformal coating in depth to help engineers better protect their industrial control equipment.
Table of Contents
- 1. Understand the cause of corrosion
- 2. Choose the right conformal coating
- 3. Preparation
- 4. Construction skills
- 5. Regular maintenance
- 6. Conclusion
1. Understand the cause of corrosion

2. Choose the right conformal coating
There are various types of conformal coatings on the market, including spray, dipping and brush coating. When choosing, consider the use environment and requirements of the equipment. For example, in a humid environment, choose a conformal coating with strong water resistance; and in places with more corrosive chemicals, choose a conformal coating with chemical resistance.
3. Preparation
Before applying the conformal coating, some preparations need to be done. First, make sure the surface of the industrial control motherboard is clean and dust-free. Second, check if there are any damaged parts, and if so, repair them in time. Finally, use appropriate methods to control humidity to ensure the coating effect of the conformal coating.
4. Construction skills
When applying conformal coating, skills are very important. First, keep the coating uniform to avoid thick or thin conditions. Secondly, you can use a multi-layer coating method to increase the thickness of the protective layer. In addition, pay attention to the drying time of the coating to ensure that each layer is fully dried before applying the next layer.
5. Regular maintenance
6. Conclusion
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