High mixing performance, excellent homogenity of mixture and high productivity are the primary features of the MN 250 forced-agitation mixer. A large-capacity mixing drum has a wear-resistant lining and the agitation blades which can easily prepare fresh mortar, fine concrete mixes, fire-proofing spray mixes,high-temperature concretes, glues, or dry powder materials, while they can also easily agitate, even over a long time, hard-to-agitate mixtures applied in the metallurgy and highly abrasive mixtures.