Advantages of ribbon blender:
High shear can be applied by using perforated baffles, which bring about a rubbing and breakdown aggregates.
Headroom requires less space.
Disadvantages of ribbon blender:
It is a poor mixer, because movement of particles is two dimensional..
Shearing action is less than in planetary mixer.
Dead spots are observed in the mixer, though they are minimum.
It has fixed speed drive.