Coating Terms

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Formation of blisters filled with gas or liquid on a dried coating film. Main reasons for liquid filled blisters could be development of local corrosions on the application surface and existence of water soluble salts in wet paint or application surface. In addition, for especially oven dried coatings, factors such as existence of solvents that are unable to pass the thick coating film can cause gas filled blisters. Blistering is a defect that hinders the protective and decorative functions of the coating.