About 8 Mirror Finish
The #8 Mirror Finish is considered the industry standard for a highly reflective, mirror appearance. This is achieved by directionally buffing with abrasive compounds in several stages, followed by buffing with a rouge compound. The surface produced is bright and highly reflective and is virtually free of grit lines, though at certain angles some are still visible. This particular finish is often applied to a variety of metal types for use in elevators and escalators.
A related finish, the #8 Super Mirror Finish, is a highly specialized finish produced by circular oscillating buffing, initially with abrasive compounds, followed by a rouge-like compound. The surface is completely free of grit lines, achieving the perfect mirror finish. This particular finish is most often applied to stainless steel for use in architecture and design projects.
Common Metals Using This Finish
Nearly any metal may be polished to a mirror finish, but some are more commonly used than others. Mirror finish aluminum and stainless steel tend to be the most popular for use across various industries. However, red metals such as brass and bronze also take well to this finish and make for a unique appearance, providing strong accent colors or ornamentation.