Self-welding rubber tape based on EPR coated with a temperature-stable mastic. Creates an airtight, stable insulation layer. Compatible with all types of extruded dielectric insulation. Perfect adhesion and sealing for copper and aluminum. Clings to irregular shapes and surfaces. Primary electrical insulation for busbar connections up to 30 kV. Excellent for repairing damaged cables to prevent moisture ingress, for example. HelaTape Flex Premium PVC insulation tape is recommended for the final sheathing layer. HellermannTyton offers a wide range for bundling, insulating, sealing and labeling cables and lines. PVC insulation tapes for the low voltage range are available in various colors and dimensions. Self-welding, rubber-based tapes are ideal for insulating and sealing cables and connections from low to high and extra-high voltage ranges. HelaTape Tex fabric tapes are versatile and easy to label.