Surface Treatment Laboratory (E424): Elcometer 456 thickness gauge, Mitutoyo SJ-301 digital portable roughness gauge with graphic recording, grid test set according to CSN EN ISO 2409, Elcometer 508 digital tear-off gauge for tests according to CSN EN ISO 16276-1, Wegner apparatus for testing the resistance of enamels to mechanical impact, ISO comparator, chamber laboratory oven, sandblasting box, fume hood, Neophot 2 microscope, laboratory tables, laboratory glassware. The laboratory is focused on evaluating the quality and corrosion resistance of coating systems and surface treatments (testing of coatings, coating systems, and organic and inorganic coatings) and evaluating surface properties (measurement of roughness, testing the presence of salts and dust particles on the surface).