XtraVac RM Series Horizontal Ribbon Mixers are designed with U-Shaped tanks, spiral and drive motors. The spiral is dual structure. The outer spiral moves material from the sides to the center of the tank and the inner screw conveyor moves the material from the center to the sides using convective mixing. The RM series Ribbon Mixers can efficiently and quickly combine many kinds material, even powder and granular which can quickly become sticky or gummy. Combining liquids, pastes, granular, or powder materials into your perfect product or ingredient at the push of a button. The tank cover can be easily locked open for quick cleaning or maintenance.