Sealer Alternative

Atotech has developed an alternative to hexavalent chromium-based sealer technology for the plating industry.

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Atotech has developed an alternative to hexavalent chromium-based sealer technology for the plating industry. Tridur Finish 300 acts as a second passivate layer, with coating properties similar to a non-sealed surface. The process can be applied on suitable black passivates for Zn, ZnFe and ZnNi deposits and is designed to offer good corrosion protection and enhance black appearance and scratch resistance.