Optical Grade Glass Processing Cerium Oxide Polishing Powder Polishing is the most critical step affecting the precision of optical components.The main purposes of polishing are twofold: to remove the damaged layer of precision grinding, to meet the specified surface defect level requirements, to achieve the required aperture and local aperture number on the drawing, and to form a smooth and transparent surface 【Application】 It is suitable for Optical Glass Polishing Powder