| Specification | Before shrinkable | After shrinkable | wall thickness after shrinkable | length |
| DWST-φ30/12 | 30 | 12 | 5.0 | 1000mm |
| DWST-φ35/13 | 35 | 13 | 5.0 | 1000mm |
| DWST-φ45/15 | 45 | 15 | 5.0 | 1000mm |
| DWST-φ55/20 | 55 | 20 | 5.0 | 1000mm |
| DWST-φ65/25 | 65 | 25 | 5.0 | 1000mm |
| DWST-φ85/30 | 85 | 30 | 5.0 | 1000mm |
| DWST-φ100/38 | 100 | 38 | 5.5 | 1000mm |
| DWST-φ120/45 | 120 | 45 | 5.5 | 1000mm |
