Wet Film MIL Thickness Gauge is designed to properly test the amount of MIL thickness (or Micron thickness) of a paint/coating being applied to a flat surface.
First determine what is the thickness that should be applied for best results and performance (you can find this information on your coating's technical data sheet). This handy gauge then allows you test the wet coating. It reads in either 1 to 80 MIL Scale or 20 to 2000 Micron Scale. If you want to ensure proper corrosion protection without wasting product, you should utilize this gauge.
Directions For Use
Press gauge into wet coating.
Withdraw vertically and note the deepest tooth having paint on it and the next higher tooth that is not coated with paint.
The true film thickness lies between these two readings.