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The Next Stage of Total PCB Protection: Sharp Edge Conformal Coatings

Posted by Dan Griffin on May 18, 2023 2:11:10 PM

We at HumiSeal are no strangers to conformal coatings; and if you’re reading our blogs, it’s likely you’re familiar with these coatings as well. The word “conformal” is descriptive of the function of the coatings which are expected to spread and conform evenly across all surfaces that are to be protected. This uniform and even distribution is necessary to protect delicate electronic components from things such as humidity, water, vibrations, and thermal damage (to name a few).

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Topics: Conformal Coatings, Conformal Coating Troubleshooting, Sharp Edge

Simple Steps to Resolve Conformal Coating Wetting Problems

Posted by Monika Dybalska on Dec 15, 2016 3:22:10 PM

Does your conformal coating not wet properly? Do you struggle with craters, fish-eyes, or film separation? The culprit could be that the surface energy of your PCB is lower than the surface tension of the conformal coating.   The above defects are discussed frequently with customers on our technical support line, and any time we receive a technical enquiry regarding poor wetting or loss of adhesion, we ask “what is the surface energy of your substrate?” In this blog, we will explain surface energy, surface tension, and how to quickly troubleshoot defects resulting from low surface energy.

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Topics: conformal coating, conformal coating application, Conformal Coating Troubleshooting

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