Chrome-free passivation
Chrome-free passivation
The creation of an organic and/or inorganic protective layer on Aluminium, galvanized Steel and Steel ensures corrosion protection and good adhesion.
Prepas 6020
To increase the corrosion protection on iron and zinc phosphated components.
Prepas 6200
No-rinse passivation for aluminum and aluminum alloys. Produces transparent, chrome-free layers with excellent corrosion protection and paint adhesion.
Quality associations GSB-International and Qualicoat.
Prepas 6300
Pickling passivation for aluminium and aluminium alloys. Achieves a good etch attack. The titanium layers produced provide excellent corrosion and paint protection.
Suitable for bare corrosion protection, achieves good and constant surface resistance
Prepas 6400
Multi-metal passivation for Aluminium, galvanized Steel and Steel.
Can be used in Rinse and No-Rinse applivation. Produces bluish-yellow layers on steel and galvanized steel.