The surface treatments can be used as post-treatments. In that case, the products are first either thermally or chemically treated. It is also possible to carry out surface treatments without prior treatment.
The treatments can be either mechanical or chemical. Here is a more detailed description of the options.
When the chosen surface treatment is carried out, you are always guaranteed a product that is cleaned or stripped entirely to your wishes. It can either be given a new coating or can be reused in your process.