DL-50/50-117C This sample is made with a a 50/50 Blend of CHENG D-FRC (Grey Base) and Surecrete Xtreme Series PreCast Mix (White Base). Concrete Mix: 50% CHENG D-FRC 50% Surecrete Xtreme Series PreCast Mix Pigment Formulation: No Pigment Finish: Cast Finish