AESUB Blue Spray（US only） AESUB Blue is a self-evaporating scanning spray developed by scanning experts. The spray evaporates within a few hours so that no time-consuming cleaning of the object and its surroundings is required after scanning. In contrast to conventional sprays, AESUB Blue does not contain any pigments and thus avoids pigment contamination in sensitive areas such as laboratories and production facilities. Despite modern 3D scanners, challenges arise in many application cases and a matting spray is required to achieve good contrast values and accurate measurement results. This occurs mainly with transparent and reflective parts and with recesses.