It is a kind of self-melting electrical insulating tape, with good shape, insulation, waterproof, and easy to operate, it is a kind of multi-purpose electrical insulating tape. Main application: suitable for insulation protection of rubber and plastic cable terminals and intermediate connections and insulation sealing of communication cable joints with normal working temperature not exceeding 90 degrees Celsius, 1-10kV and below, voltage. Usage: Remove the isolation film from the self-adhesive tape, stretch about 200%, wrap it in a semi-lap type to the object that needs insulation or waterproof sealing protection, and then wrap a layer of PVC adhesive tape around the outer layer as a protective layer.