A powder abrasive agent for tumbling of the machinery parts, capable of further breaking into finer grains which, however, retain their sharp-edged character and, therefore, performance at the tumbling process until as much as fine particles are achieved enough to be able to grind or even polish. The tumbling process, hence, continues as the polishing operation in the same barrel. The surfactants and corrosion inhibitors contained provide surface treatment of the parts made of all common metals including stainless steel, aluminium and its alloys and zinc.
Pragopol OB 32 is suitable for deburring, grinding, descalling and derusting from metallic substrates by both vibration and barrel-tumbling and, moreover, for fine grinding prepolishing and polishing of steels including ferritic austenic stainless.
The agent is usually used in combination with ceramic grinding bodies. In case of polishing the combination with china bodies without grinding effect. In some cases Pragopol OB 32 may be used without auxilliary ginding or polishing bodies. Besides greased parts may be treated.