Using a
Wet Film Thickness Gauge
Most catalyzed and newer compliant coatings
specify a maximum wet film application
and total thickness build.
Use the gauge to avoid finish failure
from over-building a finish coating.
Calibrated in mils or microns on opposite sides.
Use of the Wet Film Thickness Gauge
- Place gauge on wet film at 90° angle.
- Press into film.
- Withdraw and note deepest tooth having paint on it
and next higher tooth that is not coated.- The wet film thickness lies between these two readings.
- Clean gauge in any suitable solvent immediately after use.
The drawing indicates that tooth marked 3 mils is covered with the wet paint and tooth marked 4 mils is not covered. This indicates that the true wet film thickness of the material is between 3 and 4 mils thick.Note: A wet film gauge is especially valuable for evaluating
the coating when working with a new finishing system
or for calibrating new spray equipment.To: Buy a Gauge & Specifications
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11/18/13
