Insulating rubber tape used to prevent leakage and insulation. Also known as insulating tape, tape, consisting of a base tape and a pressure-sensitive adhesive layer. The base tape is generally made of cotton cloth, synthetic fiber fabric and plastic film. The rubber layer is made of rubber and tackifying resin and other compounding agent, and has good adhesiveness and excellent insulation performance. Insulating tape has good insulation, pressure resistance, flame retardancy, weather resistance and other characteristics, and is suitable for wire connection, electrical insulation, heat insulation protection and so on.