High Grade Cerium Oxide Glass Polish Compound used to repair and polish glass surfaces. This high grade optical polishing material is pre-mixed to the correct consistency for a more effective polish. Can be used to remove minor glass scratches on all glass surfaces. This Cerium has been tested and approved for performance particular size and efficiency. MSDS are available and do meet all standards. Works great with Glass Technologys felt and foam polishing pads. Pre-mixed to form a compound consistency that is comparable to other manufacturers. Great for removing glass surface scratching and glass rub marks.