EUROLAB, with its state-of-the-art accredited laboratories and expert team, provides precise and fast testing services within the scope of EN ISO 11997-1 testing. This standard specifies a method for determining the resistance of coatings to one of four defined cycles of wet salt mist dry moist conditions using specified solutions.
Coatings of paints, varnishes and similar materials are exposed in the laboratory to one of the four wet and dry conditions specified in this document, using specified salt solutions in a cabinet to simulate processes. occurs in aggressive outdoor conditions such as marine environments. In general, a correlation between such outdoor weather conditions and laboratory testing cannot be expected due to the large number of factors affecting the degradation process.
Correlation can only be expected if important parameters (e.g. nature of the pollutant, spectral distribution of incident radiation in the relevant photochemical region, temperature of the sample, type and cycle of wetting, and relative humidity) influence the coating.
Unlike outside weather conditions, laboratory tests in a cabin are performed with fewer variables that can be controlled, so the effects are more reproducible. The method described can also give a way of checking whether the quality of a paint or paint system has been checked.
The method has been found to be useful in comparing the cyclic salt spray resistance of different coatings. It is most useful in providing relevant ratings for a range of coated panels that exhibit significant differences in cyclic salt spray resistance.
ISO 11997-2 describes a method for determining the cyclic corrosion resistance of paints involving UV exposure as part of the cycle. It has been found to correlate well with natural wear for industrial maintenance coatings.
EUROLAB assists manufacturers with EN ISO 11997-1 test compliance. Our test experts, with their professional working mission and principles, provide you, our manufacturers and suppliers, the best service and controlled testing process in our laboratories. Thanks to these services, businesses receive more effective, high-performance and quality testing services and provide safe, fast and uninterrupted service to their customers.
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