Grownoir EN Passivation Description It is metallic-based black passivation that can be applied on mid phosphorus and low phosphorous electroless plating Salient Features: It provides a uniform black finish of the conversion layer, which ensures the top coat of Nickel and Grownoir solution forms a complex coordination polymer. Negligible dissolution of the coating Hassle-free operation Low curing temperature (80 deg) which reduces the overall operating costs. It enhances the corrosion resistance of low and mid-phosphorous coatings Industries - Aerospace, Solar panels get a quote