... .Applications:Pre-wet the surface first, in the 3-5 square meters of ground covered with batter in parallel, according to ... and tightness of stone,put the batter 30-40 ml per square meter, immediately use a low-speed single-wipe machine which a ... pad with to grind all the batter,(5-6 minutes per square grinding). Careful not to allow slurry to dry! Ddd water ...