Polyurethane coatings are amongst one of the most popular choices for conformal coating applications, they are available as single component, two component, UV curable, and water borne systems. Download the Urethane Resin 101 Guide today to learn more about this popular coating!
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What's Best for Your Project
Epoxy resins (ER), just like any other conformal coating, provides a thin protective film. Coating takes some expertise to apply. If the coating is too thick, problems could include shrinkage, cracking, bubbling or trapped solvent.
Many people consider parylene to be the gold standard of conformal coating owing to its plethora of desirable properties for applications ranging from printed-circuit boards (PCBs) to medical implants. Benefits of parylene conformal coating is that it:
Drawbacks of parylene conformal coating is that it:
Offered as a single- or two-part compound, epoxy resin (Type ER) conformal coating is defined by extreme hardness; however, that property is also its biggest drawback. Epoxy resin:
Like all conformal coating, epoxy resin has drawbacks as well. For example, epoxy coating: