HM TC-N Series Hight-efficiency tablet coating machine Negative-pressure control Usage: even coat organic film, water-soluble film, and slow-release film on tablets, pills, pellets etc. Negative-pressure control to make a perfect airflow, high efficiency, and no dust flying over. Suitable: tablet, pills, including small pills, water-binder, and granule; pellet( no hole on the coating drum can be used for coating pellet). Working principle: The tablet rotates in the coating drum, and soon forms a layer of solid, compact, neat, and smooth surface film on the tablet.