clearcover® an environmentally friendly passivation system without chromium III or chromium VI and it is free from heavy metals such as molybdenum, manganese or cobalt. The additional innovative treatment is applied to hot-dip galvanized or electrogalvanized steel strip and can be supplied in combination with oil or phosphating.
Sustainable and environmentally compatible passivation
Excellent corrosion protection during storage
Reliable corrosion protection during transport
Good resistance to emulsions
|Passivation processes in comparison||Corrosion protection (bright finish)||Direct|
Constant humidity/corrosive environment test
|clearcover® — the new chromium-free passivation|
|Existing chromium-III passivation|
Extensive material certification is naturally a minimum requirement at voestalpine in our effort to provide high-performance additional treatments. Actual properties often go far beyond the standard minimum requirements.