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| Group | Number | Commercial name | Composition | Number of strands | Test condition |
| 1 | 20 | Rematitan “Lite” | NiTi | Single-strand | As-received |
| 2 | 20 | Recycled | |||
| 3 | 20 | Damon Copper NiTi | Copper NiTi | Single-strand | As-received |
| 4 | 20 | Recycled | |||
| 5 | 20 | Supercable | NiTi | Multi-strand | As-received |
| 6 | 20 | Recycled |
