dianoir® G3, deposited to a temperature below 190ºC is perfect for coating components of complex shapes and soft materials that cannot be coated with traditional PVD technologies. dianoir® G3 is resistant to acid and alkaline chemicals and solvents and is hypoallergenic; it is, therefore, very appreciated for the coating of watch bracelets.
dianoir® G3
Features
Advantages
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| VDI abbreviation | a-C:H |
| Process | PACVD |
| Structure | Amorphous |
| sp3 fraction [%] | 40-60 |
| Color | Intense black |
| Thickness | 2-3 µm |
| Max. operating temperature [°C] | 400 |
| Hardness [GPa] | 19-24 |
| Friction coefficient | 0.12 |
All provided data are approximate values, depend on the application, environment and test conditions. Coating hardness HIT [GPa] measured by nano indentation according to ISO 14577. Hardness can be adapted to the application. Friction coefficient (dry) compared to the steel determined by ball-on-disc dry test with a steel sphere according to ASTM G99. During the running-in the indicated values may be exceeded. Maximum service temperature [° C] These are approximate values.
dianoir®G3, particularly suitable for watchmaking components, has the following advantages:
- excellent adhesion on brass, stainless steel and titanium alloys components
- homogeneous black color
- decorative and functional coating in one solution
- non-toxic process and biological compatibility are optimal properties for the use of dianoir®G3 in contact with the human skin
- ideal for all components of the movement of watches that will benefit from an improvement in their tribological and decorative properties
dianoir® G3
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