To measure the properties of dry resins and paints you require a dried film with a known thickness on a substrate (also called application). Drawing down the resins/paints on a flat substrate using an applicator is the standard procedure. The most commonly used applicators for resins and paints include the Bird, Baker, Doctor Blade applicator, film spreader, and spiral film applicator [1,2] (see Figure 1 ). When the application is performed by manually moving the applicator over the substrate, the result of the applied film can vary in different aspects, for example in the uniformity ...
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