New highly reliable heat resistant magnet wire and epoxy potting compound system for electrical devices

A new highly reliable molding system is presented. The system consists of a new heat-resistant polyurethane magnet wire that exhibits good heat resistance, solderability, and productivity, and a new halogen-type flame-retardant epoxy potting compound that exhibits good heat resistance, humidity resistance, and impregnation rate. The system meets recent market requirements connected with office and factory automation and high-definition television and display technologies. The authors outline the technical steps taken to develop these two materials and describe their properties when they are taken separately and in combination