Main technical performance
| Items | Unit | Specifications | Test methods |
| Tensile strength | MPa | ≥13 | ASTM D2671 |
| Elongation at break | % | ≥300 | ASTM D2671 |
| 120℃ 168h Heat aging | K1>0.8 K2>0.7 | ASTM D2671 | |
| Volume resistance | Ω· cm | 108～1012 | ASTM D2671 |
| Dielectric constant | ≥20 | IEC 250 | |
| Shrink temperature | ℃ | 120～130 | |
| Water absorption | ≤0.5% | ASTM D570 |
Size
| Size | As supplied （mm） | After recovery （mm） | Cable range（mm2） | |
| I.D. | I.D. | Wall thickness | ||
| RSST—25/9 | ≥24 | ≤9 | 2.1±0.25 | Special design |
| RSST—30/13 | ≥28 | ≤14 | 2.1±0.25 | 25～50 |
| RSST—35/16 | ≥33 | ≤17 | 2.1±0.25 | 70～120 |
| RSST—40/19 | ≥38 | ≤20 | 2.0±0.25 | 150～240 |
| RSST—50/22 | ≥50 | ≤22 | 2.5±0.25 | Special design |
| RSST—60/26 RSST—65/26 | ≥58 ≥65 | ≤27 | 2.5±0.25 | above 300 |
| RSST—80/33 | ≥80 | ≤33 | 3.0±0.4 | Special design |
