What is considered a mirror finish?

What is considered a mirror finish?

“Mirror” bright finishes with clear reflection – Very light haze. All surface defects are removed. The part is buffed and then color buffed to achieve a mirror finish.

What roughness is a mirror finish?

Mirror surface processing is generally refer to a surface with a roughness of <0.8um, and it’s been called: mirror finishing.

What is a #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 is completely free of grit lines, achieving the perfect mirror finish.

What is RA finish?

Ra is the arithmetic average of surface heights measured across a surface, Ra surface finish. Simply average the height across the microscopic peaks and valleys. It basically reflects the average height of roughness component irregularities from a mean line.

What is 3a polish?

Introduced in 1956, the 3-A Symbol is a registered mark used to identify equipment that meets 3-A Sanitary Standards for design and fabrication. Use of the 3-A Symbol is strictly voluntary and is subject to licensing requirements established by 3-A SSI.

What Ra is #4 finish?

A #4 finish is a straight-grained finish commonly thought of as ‘brushed’ finish, as are #3 and #6 finishes. A standard #4 finish could be about 0.8 (32) Ra, while a #4 Dairy or Sanitary finish have an roughness average between 0.3 (12) Ra and 0.4 (16) Ra.

What is a #4 polish?

What is #4 Polish (Brushed Finish) Stainless Steel? Sometimes called a line finish, this polished stainless steel option is achieved by sanding in a vertical direction using a 150-180 grit abrasive sandpaper. This is one of the most common stainless steel finishes used in architectural metalwork.