ZINC |
|
| Zinc
Plating: Decorative
| Corrosion
Hardness
Wear |
5
2
2 |
|
- Acid based
- Sacrificial coating
- Bright shiny coating
- Steel substrate
- Range of finishes
- Chrome VI free passivates available
- Finishes Blue, Iridescent, Yellow, Black, Olive Drab
|
| Zinc
Plating: Functional
| Corrosion
Hardness
Wear |
5
2
2 |
|
- Alkaline based
- Uniform coating compared to decorative
- Sacrificial coating
- Bright shiny coating
- Steel and ZBDC substrate
- Range of finishes
- Chrome VI free passivates available
- Finishes Blue, Iridescent, Yellow, Black, Olive Drab
- Base for painting
|
| Zinc
Iron Plating:
| Corrosion
Hardness
Wear |
7
2
2 |
|
- Exceptional Black Passivate
- Excellent corrosion protection
- Sacrificial coating
- Alkaline based
- Uniform coating
- Chrome VI free passivation available
|
| Zinc
Nickel Plating:
| Corrosion
Hardness
Wear |
10
2
2 |
|
- Excellent corrosion protection
- Sacrificial coating
- Alkaline based
- Uniform coating
- Chrome VI free passivation available
|
PASSIVATION |
|
| |
- Stainless Steel, ZBDC, Aluminium
|
| Stainless
Steel:
| Corrosion
Hardness
Wear |
8
n/a
n/a |
|
- Nitric Passivation
- Chromic Passivation
- Improved corrosion Protection
|
Alocrom:
| Corrosion
Hardness
Wear |
10
n/a
n/a |
|
- Improved corrosion protection
- Clear
- Yellow
- Chrome VI free process available
|
ZBDC:
| Corrosion
Hardness
Wear |
10
n/a
n/a |
|
- Improved Corrosion protection
|
ELECTROLESS NICKEL |
|
| Electroless
Nickel:
Medium Phosphorous
| Corrosion @20ums
Hardness ht treat
Wear ht treat |
8
9
9 |
|
- High wear resistance
- Can be hardened to 1,000Hv
- Good corrosion protection
- Accurate deposition
- Thickness range 5 to 50µ
- Uniform coverage
- No post-machining
- Plates on most metals
- Excellent anti-fretting
- Steel, Stainless Steel, Aluminium, Brass, Copper
|
| Electroless
Nickel:
High Phosphorous
| Corrosion @20ums
Hardness ht treat
Wear ht treat |
10
7
9 |
|
- High wear resistance
- Can be hardened to 1,000Hv
- Excellent corrosion protection
- Accurate deposition
- Thickness range 5 to 50µm optimum 20µm
- Uniform coverage
- No post-machining
- Plates on most metals
- Excellent anti-fretting
- Steel, Stainless Steel, Aluminium, Brass, Copper
|
OTHERS |
|
Anodising
Soft:
| Corrosion
Hardness
Wear |
8
6
4 |
|
- Depending on alloy gives a bright uniform appearance silver
to grey, which can be died a wide range of colours
- Good corrosion protection
|
Nickel
Chrome:
| Corrosion
Hardness
Wear |
8
6
5 |
|
- Bright Decorative finish
- Good corrosion protection
- Hard wearing
- Wide range of uses
- Coat wide range of substrates
|
