Made from high creep resistance, anti‑tracking polyolefin compound and coated with anti‑track, weather resistant mastic. The high creep resistance and anti‑tracking properties provide maximum operation reliability. Used to provide insulation protection for cable termination.
Order reference, as supplied d, recovered d, skirt diameter and web thickness
| Order ref. Number | As supplied d (mm) | After recovery d (mm) | D (mm) | W (mm) |
|---|---|---|---|---|
| WRS-35/16 | 35 | 16 | 105 | 2.8 |
| WRS-40/22 | 40 | 22 | 105 | 2.6 |
| WRS-50/22 | 50 | 22 | 105 | 2.6 |
| WRS-60/30 | 60 | 30 | 140 | 4.0 |
| WRS-70/30 | 70 | 30 | 140 | 4.0 |
Material properties, electrical and environmental ratings
| Property | Test Method | Standard Value |
|---|---|---|
| Operating temperature | IEC 216 | -55°C～100°C |
| Tensile strength (MPa) | ASTM D2671 | ≥12 |
| Elongation at break (%) | ASTM D2671 | ≥300 |
| Tensile strength after thermal aging (MPa) | ASTM D2671 (120°C/168h) | ≥8.5 |
| Elongation after thermal aging (%) | ASTM D2671 (120°C/168h) | ≥230 |
| Tracking resistance | ASTM D2303 | 3.75kV, 1h, pass |
| Electric constant | IEC 250 | 3.0 |
| Cold bend | ASTM D2671 (-40°C, 4h) | No cracking |
| Water absorption (%) | ISO 62 | ≤0.1 |
| Volume resistance (Ω·cm) | IEC 93 | ≥1×10¹⁴ |
| Dielectric strength (kV/mm) | IEC 243 | ≥20 |
| Minimum shrink temperature (°C) | — | 100 |
| Minimum fully recovered temperature (°C) | — | 130 |