Acceptable Wet Film Thickness Range

Definition - What does Acceptable Wet Film Thickness Range mean?

Acceptable wet film thickness range is a list of the values of coating thickness that lead to a successful coating system. The measurements are taken immediately after application of the coating, before it cures. The acceptable wet film thickness helps to control the range of dry film thickness that ensures that coating layers offer optimum results in regard to corrosion prevention and enhancement of physical properties in substrates and materials.

Corrosionpedia explains Acceptable Wet Film Thickness Range

Surface preparation and cleaning is essential in every substrate coating or painting process. It not only results in a smooth profile, but also increases the accuracy while measuring the coating thickness. The acceptable wet film thickness range helps the applicator to perfect the film and avoid the extra costs of repairing the dry film. Without the acceptable wet film thickness range measurement, the substrate may be vulnerable to corrosion; this forms wrinkles, running and sagging disorders on the surface of the coat.

Non-destructive tests are used in determining the acceptable range of the wet thickness of the paint. Notched gauges are the most appropriate gadgets to use for wet film thickness. Measuring a fresh coat is easy when determining the required thickness, thus providing the ability to rectify errors before it cures. The wet film thickness range is used to determine the dry film thickness range. In the end, the type of surface preparation determines the acceptable wet film thickness range when painting or coating.

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