Provide insulation and enhancement for busbar connectors. Supply protection and insulation for switchgear and substations.
· Suitable for 1-35 kV
· Radiation-cross-linked materials (polyolefin or EPDM rubber)
· Quick and easy installation
· Prevents short circuits and leakage
· Facilitates routine inspection and maintenance. Resistant to moisture and dust
· Meets RoHS standards
· Customized
| Property | Indicative values | Test methods | |
|---|---|---|---|
| Polyolefin | EPDM | ||
| Tensile strength | 10.0Mpa | 10.0Mpa | ASTM D 2671 |
| Elongation at break | ≥300% | ≥1000% | ASTM D 2671 |
| Thermo aging tensile strength | ≥6.9Mpa | ≥9Mpa | 90℃/70hrs |
| Thermo aging elongation at break | ≥150% | ≥500% | |
| Heat shock | No cracking | No cracking | JB7829 |
| Oxygen index | ≥28 | 一 | GB/T 2406 |
| Dielectric strength | ≥20KV/mm | ≥30KV/mm | IEC 243 |
| Dielectric constant | 2~3 | 2~3 | IEC 250 |
| Volume resistance | ≥1×1014Ω·cm | ≥4.5×1014Ω·cm | IEC 93 |
