What Is Polyurethane Conformal Coating And What Is The Purpose Of It?

What Is Polyurethane Conformal Coating And What Is The Purpose Of It? Polyurethane conformal coating is liquid-film-forming insulation sprayed over electrical components to keep them cool and dry. Polyurethane conformal coating inhibits corrosion when used as an undercoating on metal surfaces. What is polyurethane conformal coating, and what is its purpose...