DAT

DAT = Diminishing abrasives Technology
DAT uses abbrasives that break down while using. A combination of pressure, heat and time causes the abrasives in the polish to become smaller and smaller. They get pulverized and disintegrate into nothing. After a certain time, the polish will have no effect anymore, regardless of the passes you make. It is highly recommended to work in the polish until it is completely disintegrated.
DAT may offer less cutting power then SMAT, but they finish with a surface that needs much less refinement. In some cases you can actually achieve a finishing result with 1 polish.