Silicone Insulation Rubber Protective Cover. Long Service Life: Product lifetime is guaranteed to be 20 years or more. High Voltage Insulation: Dielectric strength reaches 20kV/mm, suitable for 10kV overhead lines. Weather Resistance: Anti-UV, aging resistant, and capable of withstanding sleet and frost. Multiple Color Options: Available in red, yellow, green, and black for phase sequence identification. High Flexibility: Features excellent tear resistance and flexibility for easy installation. Hydrophobic Property: Excellent water-repellent performance ensures reliable operation. Reusable Design: Hooking structure allows convenient reuse during maintenance dismounting. Corrosion Protection: Eliminates acid rain corrosion and prevents short-circuit faults.