Use Chem Seal CS 3100 for potting and sealing electrical connectors and components for protection from moisture, fuels, dirt and other contaminants. CS 3100 is resistant to high humidity and known Aviation fuels. CS 3100 is a two?part polysulfide component that cures at room temperature to a firm, flexible rubber. CS 3100 cures by a chemical reaction that is independent of solvent evaporation or exposure to air. To assure proper mixing of CS 3100 the two components are contrasting colors. CS 3100 is pourable and self ? leveling allowing a complete seal around wires, terminals and irregular configurations providing complete electrical insulation.