Iridium SR is a premium finessing abrasive used in the finest finishing stages of automotive refinishing and collision repair as well as in transportation vehicle manufacturing. Featuring a stable and robust backing and efficient silicon carbide grains, it performs consistently on sanding clearcoats and top coats as well as on composites processing. The slurry coating allows for a scratch pattern that is that is easy and fast to polish out and leads to excellent quality consistency. Use with grip-faced backing pad 1125SG-R.