High Grade Cerium Oxide: Contains No Zinc Gordon Glass Cerium Oxide is a high-quality polishing compound for removing fine scratches and scuff marks from glass and mirrors. Apply slurry of cerium oxide with a Felt Polishing Wheel to restore scratched glass, mirrors, even car headlights quickly and easily. High Grade Cerium Oxide: The Professional's glass polishing compound of choice Easily buff out light scratches, residue and stains from all types of glass and mirrors. Gordon Glass Company's Cerium Oxide is ideal for removing light scratches, scuffs and stains caused by calcification from all types of glass. It will even restore your car's headlights to like-new condition. A little goes a long way. Cerium oxide polishing compound can be left to dry and re-used simply by adding water. Product Information Applications Formula CeO2 They are suitable for recirculatory slurry systems and is compatible with all standard polishing pad interfaces. Appearance Pink or Red Brown Powder Typical Analysis Recommended Slurry Temperature Specifications CeO2 99.7 % 25 C – 40 C (77 F - 104 F) Loss on ignition at 1,000?C 1.00 % max Composition Other Rare Earths Non-Rare Earths La2O3 0.019 % Fe2O3 0.002 % Nd2O3 0.004 % SiO2 0.007 % Sm2O3 0.001 % CaO 0.005 % Y2O3 0.003 % Na2O 0.15 % SrO 0.001 % Physical Properties Dilution and Compatability Melting Point 2500?C The cerium oxide can be used in concentration between 2 and 10 Baume. For shape polishing and straight line beveling, concentration of 2 to 5 Baume is recommended. Specific Gravity 7.3 g/cm3 Composition REO Content 60 - 75% Average Particle Size 2.6 - 2.9 Microns pH 6.5 - 7.5 Solubility Insoluble in water, moderately soluble in strong mineral acids. Stability Slightly hygroscopic, will absorb small amounts of moisture and CO2 from the atmosphere. Complete Technical Data