Atotech recently introduced Tridur® ZnNi H5.2 to the electroplating market; a black passivate, which is applicable to alkaline and to acidic zinc-nickel surfaces. Tridur® ZnNi H5.2-plated parts can be easily combined with aluminum alloys and used in the automotive industry to minimize contact corrosion.(…)
via Atotech Introduces New Passivate Tridur® ZnNi H5.2-Fastener World.