10KV 35KV Heat Shrink Busbar Bushing
This thermal shrinkable busbar bushing provides insulation for 10KV and 35KV busbars. It is made of radiation cross-linked polyolefin and provides excellent insulation performance.





Technical Specifications
Overview
High-Voltage Busbar Protection
This thermal shrinkable busbar protective bushing is specifically designed for 10KV and 35KV electrical systems, providing superior insulation and protection for busbars in switchgear and distribution networks. Made from radiation cross-linked polyolefin, it offers excellent tracking resistance, flame retardancy, and low smoke emission. The material conforms tightly to rectangular, square, and round busbars upon heating, ensuring a secure fit that prevents flashovers and protects against environmental factors.

Key Metrics
Performance Highlights
Technical Specifications
Material Properties
| Property | Typical Data | Test Method |
|---|---|---|
| Tensile strength | ≥8.0MPa | ASTM D 2671 |
| Elongation at break | ≥300% | ASTM D 2671 |
| Tensile strength (after heat ageing) | ≥6.9MPa | 130℃ × 168h |
| Elongation (after heat ageing) | ≥100% | 130℃ × 168h |
| Longitudinal change | -8% to +8% | ASTM D 2671 |
| Flammability (Oxygen index) | ≥28 | GB/T 2406 |
| Heat Shock | No cracking | JB 7829 supplement D |

Thermal Properties
- Min. Shrink Temperature
- 84 °C
- Full Recovery Temperature
- 120 °C
- Operating Temperature Range
- -55°C to 125°C

Application & Design
Typical Applications
- Metal-clad switchgear
- Substation switchgear
- Copper or aluminum bus bars
- Inline bolted connections
- Rectangular, square, and round bus bars
- Standard Colors
- BlackWhiteRedYellowGreenBlue





