HANAST HN-5506 A/B High Transparency High Voltage Epoxy Potting Compound for Power Module and High-Voltage Encapsulation HN-5506 A/B is a two-component, high-transparency epoxy potting compound with high hardness, low viscosity, excellent self-levelling and defoaming performance. Mixed at a 3:1 ratio by weight, it flows into fine gaps and cures into a crystal-clear, high-hardness, UV-resistant and anti-yellowing encapsulant with excellent adhesion and high dielectric strength