It is often necessary to paint test panels with a specific, exact dry film thickness. For these reasons, you must approach the theoretical wet film thickness at this nominal (target) value. You could, of course, use a series of doctor blades with different gap heights. However, it is easier and more affordable to work with a film applicator with an adjustable gap height. The infinitely adjustable film applicator Model 411 enables you to apply theoretical wet film thicknesses from 1 – 1000 μm. The two limiting springs form the reservoir, and the desired gap height is set using the micrometer screw. This device is corrosion resistant.