... Features of polyimide heaters:@,Heater properties: Insulation materials: 0.001-inch kapton to 0.002-inch FEP adhesive@,Color: transparent, amber-colored ... 100 to 200oC (-212 to 392oF)@,Heater flexibility: best 0.03 inches (0.75mm) minimum bend radius@,Maximum power per square inch ... in still air 0.24W:@,Maximum thickness over element: 0.015 inches (0.3mm)@,voltage:1.5v to ...