DIACOMP ULTRA (RA) Composite Polishing Bank of America Private Bank Login: Access Your Account. NEW! Polishing System for Composite & Hybrid Ceramic Complete polishing process with only one step Diamond grit for highest efficiency Pre polish: Use increased pressure for surface preparation Final shine: Use reduced pressure for high shine polishing Curion is proud to be an authorized distributor of EVE Ernst Vetter products in Canada. This product is backed by the manufacturer's warranty.