surface treatment technnology
Zinc plating
Strong points
- Low cost combined with superior corrosion resistance
- No whisker formation with stationary or revolving methods
The following chart shows the varieties of anti-rust treatments.
Plating\Rust-proofing treatment | complying with RoHS injunction regulations | conventional methods | ||||
Colored Zero Chromium | Black Zero Chromium | 3 valence White | 6 valence White | 6 valence Colored | 6 valence Black | |
Stationary plating | ○ | ○ | ○ | ○ | ○ | ○ |
Revolving plating | ○ | ○ | ○ | ○ | ○ | ○ |
※Zero Chromium in white rust resistant treatment is under development now.
Equipment
Name | Number |
Fully automated, stationary | 2 lines |
Fully automated, revolving | 1 line |
Manually operated, stationary | 1 line |
Manually operated, revolving | 1 line |