In the mass finishing processes it is critical to choose appriopriate media according to the material and processing purpose. Both factors impact the processing time and desirable results.

Synthetic, ceramic, porcelain and stainless steel media with compounds are used for wet processing, on the other hand walnut shell with polishing paste is used for dry processing.

There is a wide variety of grinding and polishing media in regard to shape, size and abrasiveness.

Supporting compounds are added to abrasive media in wet process. Additives in the compound help to clean, brighten and passivate workpieces.