Black Nickel Electroplating: Sulfur Immersion Chemistry and Protective Clear Coats
Engineering Overview: Technical breakdown of Black Nickel electroplating on brass lock cylinders, detailing nickel-zinc-sulfide alloy deposition and clear coats.
Technical & Engineering Specifications
| Topcoat | Thermosetting Clear Acrylic Lacquer |
|---|---|
| Salt Spray | ASTM B117 > 240 Hours |
| Finish Standard | Black Nickel (BN / Gun Black Metallic) |
| Plating Chemistry | Nickel-Zinc-Sulfide Galvanic Matrix |
Black Metallic Galvanic Coating
Black Nickel (BN / Gun Black) delivers an elegant deep metallic black sheen distinct from matte paints.
Plating Chemistry
- Nickel-Zinc-Sulfide Alloy: Electroplated from thiocyanate baths.
- Protective Clear Coat: Sealed with thermosetting acrylic lacquer baked at 160°C.
Frequently Asked Engineering & Selection Questions
Q1: What are the primary material characteristics of this finish?
Technical breakdown of Black Nickel electroplating on brass lock cylinders, detailing nickel-zinc-sulfide alloy deposition and clear coats.