DIRECTIONS FOR USE:
- Degrease and clean the entire surface to be verified using the CRACK CLEANER VMD 137
- Apply to the surface a thin layer of RED CRACK PENETRANT VMD 138 and wait 15-20 minutes to allow the liquid to act.
- Remove the excess of RED PENETRANT using again the CRACK CLEANER VMD 137 and let the surface dry out.
- Finally, spray the WHITE CRACK DETECTOR VMD 139 and let it act for a few minutes. Now, red traces will appear at the points where there are metal defects, allowing the operator to fix them.