Pickling
The pickling is a chemical operation used to remove the calamine, or flake from lamination, oxides (rust)
Sandblasting
The sandblasting is a mechanical process, which consists in making an irregular and oxidized surface of an
Brushing – silking
The silking is a mechanical treatment, 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
Lubrication
The lubrication is a process that consists in applying by immersion a liquid substance, which interposed between
Dehydrogenation
The dehydrogenation is a thermal treatment which consists in removing the hydrogen absorbed by an object during
Brushing – silking
The silking is a mechanical process, which consists in making a surface of a galvanized object (with