JH-304 Protolin Polyurethane Electrical Casting Resin
JH-304 is used for insulating LV and MV cable joints, integrated circuits, and sealing fillers in coil windings. It is readily used in the electrical industry, making underground and aboveground cable connections and in the manufacture of specialized transformers. JH-304 is used to insulate low and medium voltage cable joints when necessary. It is also used in various electrical applications. It is resistant to 36,000 volts.
It is a solvent-free, two-component, rigid or flexible polyurethane-based, excellent adhesive and insulation material.


