Letter 33037

Sealing for printed circuit boards  

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I have a printed cicuit board that is letting moisture penetrate the protective coating, how can I prevent this.

Jack Riley
hobbyist - Coquitlam, BC, Canada

Spray lacquer, give it a few coats and you should be set, I would worry more about WHY moisture is getting into your circuit boards rather than how to stop it.

Marc Banks
- Elizabeth City, North Carolina

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