Mirror polish is decided by the smoothness and brightness level, and the mirror polishing technique is using polishing techniques to achieve a mirror effect finish. According to Ra0.2 dividing line, can divide the mirror polishing technique in two ways, one is mechanical polishing, the other one is chemical polishing, both the purpose of them are reach mirror effect finish.
The mechanical polishing is using the polishing machine to polish the metal products surface from rough grinding, medium polishing to final finishing. Goal to make the products surface smooth and bright like a mirror.
The chemical polishing is using a chemical solution soaking the metal products, to remove the oxide layer on the metal surface, and make the metal product surface showing a light like mirror.
Now the mechanical polishing is still the most widely used polishing technical.