Polishing powder is a free-flowing crystalline powder from brown to yellowish color, based on a mixture of oxides of rare earth elements (Ce, La, Nd).Polirit - versatile powder for polishing a wide range of optical glasses, lenses, mirrors and other glass products, electronic equipment, jewelry and decorative materials to hand (brush) and automatic feeding of the suspension. Powder can be used on all modes of working out (pressure 0.1 3.0 bar, rotation speed - 100 - 2500 rpm), using bedding and autopower.One.uses polishing - peko-rosin-resins and pastes - for processing of products of medium and high precision, polyurethane foam with filler - for processing products with high accuracy intensive mode.is of three kinds, depending on the content of cerium oxide and the presence of additives (polished, polished fluorinated (), polished with a high content of cerium (cerit))