Can I air dry my conformal coating at room temperature and reach its full optimum properties?

This depends on the conformal coating material. Some materials like acrylic solvent based coatings air dry very well and completely dry on there own. The rate depends on the solvent evaporating from the coating and the thickness applied but generally no trace solvents are left for most coatings after 3-4 weeks.

For other coatings, an accelerated cure is required such as heat, UV light or moisture. Time to cure will be variable and referral to the manufacturers datasheets will help.

Click Conformal Coating Drying and Curing FAQs or download our technical Bulletin Drying and Curing Conformal Coatings .


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About Dr Lee Hitchens

Dr Hitchens has been working in the electronics industry and the area of conformal coatings for over 25 years in various areas including sales and technical support. He has also been training people for almost the same amount of time in all areas of conformal coating whether that is materials & equipment selection, process development or troubleshooting to help them solve their particular problem. Recently, he decided that the industry needed a specific place where all of the useful knowledge on conformal coatings could be collated for users to find easily and use in their own production process. So, Nexus was born and he began the Nexus eBook project.

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