Mixing vessels are usually made of stainless steel (such as 304 stainless steel), which has good corrosion resistance and can adapt to the chemical properties of various powder materials to avoid material contamination. The capacity of the container varies from a few liters for laboratories or small batch production to thousands of liters for large-scale industrial production.

The shape of the container is generally U-shaped or square. Cylindrical containers are conducive to the circulation of materials and reduce the dead corners of mixing; square containers have more advantages in space utilization and are convenient for installing auxiliary equipment. The interior of the container is usually designed with a smooth surface to prevent powder residue, and some containers have a certain tilt angle at the bottom to facilitate the complete discharge of materials after mixing.