Roughness measurement
Do you want to characterize the roughness of your solid samples? Calnesis perform this type of measurement, in particular by optical profilometry.
The roughness of a surface is a morphological characteristic. It has a unit of length which corresponds to the characteristic depth of the ridges furrowing its surface.
Some examples of roughness of common materials
The table below shows some average roughness values for everyday materials:
| polished mirror | 0-1 micron |
| planed wood | 10-20 microns |
| bare steel | 50-100 microns |
| Asphalt | 100-500 microns |
| Gross cement | 1000 microns |
How is roughness measured?
The roughness is determined by calculation from surface profiles measured by 2D or 3D optical profilometry.
Other measurements
Study of the granulometry of samples. Techniques adapted to different particle sizes.
- Analytical and titration
- Calorimetry
- Flow properties
- Interface
- Mecanics
- Morphology
- Phase equilibrium
- SDS - Security
- Thermal analysis
- Volumetric properties
Mickaël Simond
CEO and Sales Director
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