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Finishing with a sealer , T2, can provide an improvement in corrosion protection. This applies to both time to white rust and metal corrosion. The table refers to surface treatment on racks of reference plates. Treatment of the drum may lead to slightly lower values. Testing in neutral salt spray, NSS, should only be used as verification of process. In cases where the issues listed in EN ISO and EN are not addressed in this standard it applies to both standards listed requirements.
Chromate Converting layer containing chromates , hexavalent chromium. Passivation Converting layer which is free of hexavalent chromium. May contain trivalent chromium. Free of hexavalent chromium P1 Blue, bright passivation , decorative finish P2 Yellow passivation P3 Green passivation for future use P4 black passivation P5 Transparent, isiserande passivation. T5 Wax. The designation comprises:. Ramo AB takes no responsibility in the eventuality of errors in the above information.
Metal Casting Injection moulding. Standard fastners Special fastners. Dividing Nibbling Stamping. Assembling Packaging Welding Surface treatments. SVG std , Revision 2. Descriptions of chromating and passivation Containing hexavalent chromium C1 Blue, glossy chromate , decorative finish C2 Yellow chromate C3 Green chromating C4 black chromating.
Example: 1. Bright chromating. Yellow chromating. Green chromating. Black chromating. Subscribe to our newsletter. Back to top. Standardized coating thicknesses and designations.
Finishing with a sealer , T2, can provide an improvement in corrosion protection. This applies to both time to white rust and metal corrosion. The table refers to surface treatment on racks of reference plates. Treatment of the drum may lead to slightly lower values.
Questions about zinc electroplating specification Fe/Zn8
Can the supplier send us material with a range of microns with the microns having a deposit build up which interferes with the functionality of our part? To the best of my knowledge, the thickness is the minimum. It would be very difficult to obtain a certain thickness exactly, for example 8 microns. We need to have a range on the thickness. You could specify also a maximum thickness, and work with your supplier to see if it is possible to work on this range.