EVA (Ethylene-vinyl acetate) can be dissolved using organic solvents like tetrahydrofuran and dichloromethane, often aided by ultrasonic irradiation for complete dissolution.

for solving EVA, you can use a setup include Xylene in a three necked round bottom flask on a heater with 140 degree. if you want hold some mount of if you can use a cage.

This polymer is difficult to dissolve, it can be done using hot toluene but it will precipitate out on cooling