UL94 V-0 Clear Epoxy Potting Compound 5:1 Two Component Encapsulant for EV Onboard Charger Module HN-5508AB is a clear two-component epoxy potting compound with a 5:1 mix ratio, specially formulated for EV onboard charger (OBC) module and high voltage power electronics encapsulation . The halogen-free formulation delivers UL 94 V-0 flame retardancy, stable electrical insulation and excellent moisture protection under continuous high voltage operation, making it a reliable