Electroplating
Surtec 650: maximum protection for aluminum
This chromate passivation process provides corrosion protection for aluminum without the need for any further treatment.

This chromate passivation process provides corrosion protection for aluminum without the need for any further treatment.
Surtec 650 can, however, also be safely used as a sub-layer for adhesion of paints, lacquers, etc.
It is particularly suitable for application on already anodized aluminium (to increase its corrosion resistance) and as a primer for subsequent organic paints or coatings.
Surtec 650 maintains the electrical properties of the base metal by having a very low electrical resistance.
It withstands temperatures up to +100 °C, leaving its protective properties unaltered.
Surtec 650 meets the main corrosion resistance requirements of the US NAVY (MIL C -5541 / MIL DTL – 81706 / Minimum 336 hours in NSS).
Surtec 650 treatment complies with EU Directives 2000/53/EC (RoHS), 2002/96 (WEEE).
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