Pre-treatments

Tumbling

The tumbling is a mechanical treatment of the surface, which consists in mechanically remove residues from the

Pickling

The pickling is a chemical operation used to remove the calamine, or flake from lamination, oxides (rust)

Polishing

The polishing is a mechanical process, which consists in making the irregular and opaque surface of an

Sandblasting

The sandblasting is a mechanical process, which consists in making an irregular and oxidized surface of an

Frosting

The frosting is a mechanical process which consists in making the irregular and oxidized surface of an

Degreasing

The degreasing is a chemical operation carried out to eliminate oil, greas and pastes, on the surfaces