During film formation paint should transform from a liquid into a closed, solid film called coating. In order to give optimum protective and aesthetical properties most coatings should be smooth and even without cracks etcetera. Film defects can ruin protective and aesthetical properties of coatings. A huge amount of time and money is invested in preventing and resolving defects. A lot of hustle can be prevented when using knowledge that is simple and available. How to resolve a defect turns out to be logical as soon as the governing phenomena of that defect are known and understood. A wide variety of coating defects occur and in the following only a few of them are briefly discussed.
posted by Abbas A. Sadriwalla, R&D - Applied/ Formulation/ Product development at Liquiguard Technologies, Inc.
A to the point primer that provides the basic cause of common coating defects. Needless to say this subject has much greater complexity due to the many and varied reasons for these defects, but the above article gets the reader started in the right direction.
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