Cad-scan is a resin reinforced die stone specifically designed for optoelectronic/laser scanning. CAD/CAM restorations. CAD-scan can be used for production environments as well as single cases needing a rapid set 18,500 psi (128 MPa) Compressive Strength. 20:100 W/P Ratio. 0.06 - 0.09% Expansion. 11-13 Min Set Time.