Electrolube er2220rp250g high thermal conductivity epoxy 1 5 w mk 250g electrolube er2220rp250g electrolube er2220 is a flame retardant thermally conductive two part encapsulation compound based on epoxy technology it has been designed to meet the increasing demands for efficient thermal dissipation and combines ease of processing with an enhanced thermal conductivity when compared to traditional thermally conductive encapsulants er2220 combines flame retardancy achieving ul94 v 0 level