Ultra-fast 60-90 second set Type IV specialty stone for rapid model release. A Garreco dental gypsum for accurate working Models and dies, supplied to dental labs through US Dental Depot.
| Spec | Express set (this) | Apex RZ10 | Apex RZ15 | Excalibur | Veri-Die |
|---|---|---|---|---|---|
| Compressive strength | 14,000 psi | 18,500 psi | 18,500 psi | 18,000 psi | 16,500 psi |
| Setting expansion | 0.15% | 0.10% | 0.15% | 0.09% | 0.15% |
| Setting time | — | 10–13 minutes | 10–13 minutes | 12–15 minutes | 10–13 minutes |
| Water/powder ratio | 23 ml : 100 g | 19 ml : 100 g | 19 ml : 100 g | 22 ml : 100 g | 21 ml : 100 g |