UEJ20-Self-amalgamating insulation tape
It is suitable for insulating termination and joint of polymeric insulated cable up to 24kV.

Features
• Based on butyl rubber.
• Normal operation temperature: 90°C.
• A special polyester liner which will not stick to the tape upon unwind.
• Excellent stretch and excellent moisture, corrosion and chemical resistance.
Standard size
• 0.8mm×19mm×5000mm
• 0.8mm×25mm×5000mm
• Other sizes can be customized as requested
Applications
• Insulating for splices on power cable from 600V up to 24kV.
• Jacketing on high voltage terminations and splices.
• Moisture sealing for all electrical connections.
• Cable jacket repairing and end sealing.
Technical Data
Test item | Test method | Test result |
Tensile strength | ASTM D4325 | ≥1.7MPa |
Elongation at break | ASTM D4325 | ≥500% |
Water absorption | ASTM D570 | ≤1% |
Insulation resistance | ASTM D1000 | 1013Ω |
Volume resistivity | ASTM D4325 | ≥1014Ω·cm |
Heat exposure | ASTM D4325 | No visible holes, bubbling, delamination, cracking and sagging (130°C, 168h) |













