How Hardware Startups Use Conformal Coating to Protect Boards Titelbild

How Hardware Startups Use Conformal Coating to Protect Boards

How Hardware Startups Use Conformal Coating to Protect Boards

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In this episode of Hardware Startups with Fexingo, Lucas and Luna dive into conformal coating—a thin protective layer applied to printed circuit boards to shield them from moisture, dust, and corrosion. Lucas explains why startups often skip this step to save cost, only to face high failure rates in humid or outdoor environments. He breaks down the three common chemistries: acrylic, urethane, and silicone, and when to use each. Luna shares a story about a small drone startup that lost an entire batch of flight controllers to condensation damage because they opted out of coating. The hosts discuss application methods—spray, dip, and selective robotic coating—and how each scales from prototype to production. They touch on cure times, rework challenges, and inspection under UV light. Listeners will learn one concrete trade-off: acrylic is easiest to rework but offers less chemical resistance, while silicone handles extreme temps but is a nightmare to remove. The episode closes with Lucas noting that a $0.50 coating decision can make or break a product launch. #ConformalCoating #PCBProtection #HardwareStartups #ManufacturingTech #ElectronicsAssembly #AcrylicCoating #UrethaneCoating #SiliconeCoating #SelectiveCoating #DroneFailure #CondensationDamage #UVInspection #PrototypeToProduction #FexingoBusiness #BusinessPodcast #BusinessAndTechnology #StartupLessons #ProductReliability Keep every episode free: buymeacoffee.com/fexingo
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