Hydro-Stone Gypsum Cement
Hydro-Stone gypsum cement is one of the hardest and strongest gypsum cements. It has a heavy, syrupy consistency that is ideal for pouring solid models or patterns. Hydro-Stone also has a low viscosity slurry for filling multiple molds at one time.
| Normal Consistency | 32lbs. water/100lbs. product (15kg water/45 kg product) |
| Hand Mix Vicat Set, Target | 19-25 minutes |
| Compressive Strength, One Hour After Set | 4000 psi (27.6 MPa) |
| Compressive Strength, Dry | 10,000 psi (68.9 MPa) |
| Density, Wet | 119 lbs./cu. ft (1906 kg/m3) |
| Density, Dry | 108 lbs./cu. ft. (1730 kg/m3) |
| % Maximum Expansion | 0.24% |
