They rotate around their center and simultaneously rotate around the center of the mixer. The mixing blades or paddles are located off the center of the mixer. The bowl can be raised to the position of the mixing blades for the actual mixing process. Tumbling mixers are likely to mix powders with good ﬂowability and granules, rather than cohesive or powders with poor ﬂowability, because shear force provided by these mixers is not enough to separate the individual particles from agglomerates. There are different types of tumbling mixers, including V-shaped, rotating cube, cylindrical, double-cone, oblique, and Y-cone mixers.

Tumbling mixers/blenders are most commonly used for powders with similar densities. Read Also: Mechanisms Involved in the Mixing of Pharmaceutical Powders 2. The largest benefit of EMP is that the materials can be weighed, mixed, and dispensed all in the same container.

The EMP uses a spinning blade and a moving arm to mix products. Particle size EMP is specifcally designed for blending of creams, ointments, and oral liquids. Practice porcelain mortars are similar to Wedgwood mortars, but they are more preferable for comminution of soft aggregates, crystals, and mixing of powders with uniform For example, glass mortars are suitable for preparing solutions, suspensions, and ointments Wedgwood mortars are designed primarily for size reduction for most of the materials in modern pharmacy Different types of mortars have specific utility in compounding different materials.

Anchor agitator design in powder