One of the widely favored designs for effectively homogenizing with minimal shear and blending high-viscosity materials is the impeller featuring a band-shaped helix fixed to the shaft through cross-bars. These impellers are designed with a narrow gap between the blades and the wall. Unlike propellers, the axial flow generated isn't a result of pressure variances but rather arises from a displacement effect within the laminar flow region. One drawback of the helical ribbon impeller is the essential use of cross-bars for stabilization. To introduce further fluid movement in tank dish and cone bottoms, bottom sweeps can also be integrated.