Description
Key Features
Press-lock structure allows quick installation on existing conductors
High-quality silicone rubber provides excellent electrical insulation
Outstanding resistance to UV, corona, aging, and environmental stress
Flexible structure that is soft and resistant to folding or cracking
Excellent performance in both low-temperature and high-temperature environments
Helps prevent faults caused by wildlife and vegetation contact
No flame required during installation, reducing installation time
Suitable for both substation protection and overhead line applications
Typical Applications
Overhead power distribution lines
Substation conductor insulation protection
Jumper wire insulation protection
Railway catenary systems
Cross-line insulation protection
Wildlife and vegetation protection for power lines
Insulation protection for existing energized conductors
Technical Specifications
Material: Silicone Rubber
Product Type: Electrical Insulating Sleeve / Conductor Cover
Color: Red
Operating Temperature Range: -50°C to +150°C
Installation Method: Press Lock Type
Application: Overhead conductors and electrical insulation protection
Electrical and Mechanical Performance
Electrical Strength ≥20 kV/mm — Test Method: GB/T 1408.1-2006
Volume Resistivity ≥1×10¹⁴ Ω·cm — Test Method: GB/T 1410-2006
Dielectric Constant 2–3 — Test Method: GB/T 1409-2006
Shore Hardness 70±5 A — Test Method: GB/T 531
Tensile Strength ≥4.0 MPa — Test Method: GB/T 528
Elongation at Break ≥200% — Test Method: GB/T 528
Tensile Strength Change After Aging ±30% — Test Method: GB/T 528
Elongation Change After Aging ±30% — Test Method: GB/T 528
Low Temperature Elongation (-15°C, 2h) ≥20% — GB/T 2951.4-1997
Low Temperature Flexibility (-50°C, 4h) — No Cracks — UL224-2004
High Temperature Crack Resistance (155°C, 2h) — No Cracks — GB/T 2951.6-1997
