ISO 4628-1 Paints and Varnishes - Evaluation of Deterioration of Coatings - Determining the Amount and Size of Defects and the Intensity of Uniform Changes in Appearance - Part 1: General System of Description and Nomenclature

Material Testing

ISO 4628-1 Paints and Varnishes - Evaluation of Deterioration of Coatings - Determining the Amount and Size of Defects and the Intensity of Uniform Changes in Appearance - Part 1: General System of Description and Nomenclature

EUROLAB, together with its state-of-the-art accredited laboratories and expert team, provides precise and fast testing services within the scope of ISO 4628-1 testing. ISO 4628-1 defines a system for determining the amount and size of defects and the intensity of changes in the appearance of coatings, and outlines the general principles of the system used in ISO 4628.

ISO 4628-1 Paints and Varnishes - Evaluation of Deterioration of Coatings - Determining the Amount and Size of Defects and the Intensity of Uniform Changes in Appearance - Part 1: General System of Description and Nomenclature

This system is specifically for uniform changes such as yellowing and imperfections caused by aging and weathering.

Other parts of ISO 4628 provide pictorial standards or other tools for assessing certain types of defects. As far as possible, already existing assessment schemes were used as the basis. ISO 4628-1 is also used to evaluate defects not covered in other parts of ISO 4628.

A uniform convention has been adopted to indicate the amount and extent of defects and the intensity of changes by means of grades ranging from 0 to 5, with 0 indicating no defects or changes, and 5 being severe enough to indicate defects or changes.

EUROLAB assists manufacturers with ISO 4628-1 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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