In this episode of Hardware Startups with Fexingo, Lucas and Luna dive into the world of potting compounds — the epoxy and silicone resins used to encapsulate sensitive electronics. They explain why startups turn to potting instead of conformal coating, the trade-offs in repairability and thermal management, and a real-world case where a drone startup avoided field failures by switching to a polyurethane potting compound. Specific numbers: a 40% reduction in vibration-related failures and a 15% increase in thermal conductivity with alumina-filled epoxy. The conversation covers material selection, dispensing methods, and common mistakes like air entrapment and exothermic overheating. A practical guide for hardware engineers considering encapsulation for their next prototype or production run.
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