ELANTAS PDG CONATHANE EN-21 Polyurethane Resin System is a two component, non-MBOCA system that is used for casting, embedding, potting, and encapsulation of electrical assemblies and power devices. It is recommended for potting print circuit boards, voltage regulators, transformers, rectifiers, and inductors. It cures at room temperature and offers good electrical properties, low viscosity, low toxicity, low shrinkage, and low exotherm. It is resistant to moisture and reversion. 1 gal Kit.