| Composition | Three-point bending strength σb (MPa) at | ||||
| ZrC (vol%) | 1273 K | 1473 K | 1673 K | 1873 K | 2023 K |
| 40 | 383 | 401 | 561 | 701 | 435 |
| 50 | 485 | 443 | 423 | 520 | 407 |
| 60 | 445 | 466 | 561 | 416 | 534 |
| 70 | 550 | 526 | 595 | 272 | 622 |