Trivalent Zinc-Nickel Alloy Plating
MAPT delivers top-quality plating services that meet the highest standards of automotive parts manufacturers, and we keep improving our quality and service to satisfy every customer demand.
- High corrosion protection: 600–2,000 hours to red rust in salt-spray testing
- 12–15% nickel content
- Excellent adhesion and corrosion resistance at elevated temperatures
- Compliant with the latest RoHS regulations
Finishes
Zinc-Nickel Clear
Clear-passivated Zinc-Nickel coating with 12–15% nickel content, retaining excellent adhesion and corrosion resistance at elevated temperatures.
Salt spray resistance: 96–480 hours no white rust / 600–2,000 hours no red rust
Wax or lubricant can be added on request to meet friction-coefficient requirements.
Zinc-Nickel Black
Black-passivated Zinc-Nickel coating with a uniform deep-black finish, combining high corrosion resistance with a refined appearance for OEM-specified black fasteners.
Salt spray resistance: 96–252 hours no white rust / 600–2,000 hours no red rust
Wax or lubricant can be added on request to meet friction-coefficient requirements.
Zinc-Nickel Iridescent
Iridescent-passivated Zinc-Nickel coating with rich, uniform coloring for easy identification alongside high corrosion protection.
Salt spray resistance: 96–480 hours no white rust / 600–2,000 hours no red rust
Wax or lubricant can be added on request to meet friction-coefficient requirements.
