Ruhr University in Bochum, carried out a Grey Stain test (Comparison RVS/without RVS) with outstanding results:
- Damage Load Levels (Schadenskraftstufe) increased by two (2) from level 8 up
- to level 10.
- Profile Shape Deviation decreased 37 %, from 14.5 microns to 9,2 microns.
- Gray Stain Area decreased 8,3% from 60% to 55%.
- Loss of Weight decreased 30% from 54 mg to 38 mg.
- Roughness of the Surface decreased 17%