Star Technology’s ER7490 is a single part, heat cure, water based epoxy emulsion. This emulsion is a recommended dipping varnish for hermetic, general purpose, and compressor motors. ER7490 was formulated to use with a variety of refrigerants and compressor oils. Once Cured the ER7490 has excellent physical strength and superior electrical properties.

Star recommends agitating the material once a week while in storage. Also make sure to store out of direct sunlight in a dry, cool place, away from heat. For complete maintenance and storage instructions contact your Essex Brownell Representative.