ITEM NAME:Cerium Oxide Car Glass Polishing Tool Powder -High Grade Optical Compound 30g Store category Sign Up Now ! You may also like 30g Crl Cerium Oxide Glass Polishing Tool Powder -High Grade Optical Compound Product Description Description: Brand New Item Specifics: â— Cerium Oxide is a high grade optical polishing compound used to lessen and polish scratches from mirror bevels, table top edges, glass in vehicles or structures. â— Contains no Zinc and meets local disposal ordinances. â— Mix with water to create a slurry, apply with hand pad for light surface cleanup, or.For light surface cleaning, 1.6 oz. of Cerium per gallon of water or 11.8 grams per liter is sufficient. For beveling and edging, 4 to 7.2 oz. Slurry temperature should be maintained between 90Â ºF and 105Â ºF (32Â ºC and 40Â ºC) for optimum performance.