By adding DT51 and P25 powders with 20 wt% of deionized H2O and applying the same pressure conditions (500 MPa) in a preheated mold at 150 °C, relative densities increased to 60–62% (Table 1), but samples were very brittle. By decreasing the pressure to 250 MPa, the obtained samples (CS_D2 and CS_P2) showed, as expected, lower densities (53–54%), which corresponds to a decrease of 7–8% compared to samples pressed at 500 MPa (Table 1).