Electrician's adhesive tape, type von Roll Isola 51588-.
Transparent polyester foil with hot-curing rubber adhesive. UL-listed. Resistant to chemicals and solvents. Excellent electrical insulation properties. For diverse electrical applications (production of transformers, electric motors, relays and contactors), e.g. core insulation and insulation between layers, taping the beginnings and ends of coils, strain relief for supply leads, taping of cantilevered coils and as termination taping for small motors