Grinding, sanding and polishing
The surface finish ranges from coarse to mirror and can be a uniform texture or patterned depending on the technique used and type and size of abrasive particles. Video-How the Alessi Bird Kettle is made?
It includes sand blasting, dry etching, plastic media blasting (PMB), shot blasting, and bead blasting. All of these have 2
main functions. Firstly, they are used to prepare a surface for secondary operations by removing contaminants
and applying a fine texture that will aid surface addition processes. Secondly, they can be used to apply a decorative texture to the surface of a part such as affecting the transparency of glass applying