EUROLAB, with its state-of-the-art accredited laboratories and expert team, provides precise and fast testing services within the scope of ISO 4628-6 testing. ISO 4628-6 provides pictorial reference standards for determining the degree of chalking of paint coatings. It also describes a method by which the degree of chalking is graded.
ISO 4628-6 is an international standard that falls under the category "Paints and varnishes - Evaluation of deterioration of coatings". In particular, ISO 4628-6 refers to the evaluation of the chalking degree of coatings using the tape method. Chalking refers to the powdery substance that forms on the surface of a paint or coating as a result of weathering or deterioration over time.
The standard provides guidelines and procedures for assessing the extent of chalking on coated surfaces. The tape method involves pressing an adhesive tape onto the surface of the coating and then removing it. The amount of chalk transferred onto the tape is compared to a set of reference images to determine the degree of chalking.
The chalking rating is typically graded on a standardized scale that indicates the severity of chalking. This classification helps users understand the level of deterioration of the coating and assists in making decisions regarding maintenance, repainting or other operations.
ISO 4628-6 is just one part of a set of standards (ISO 4628) that covers different aspects of assessing the deterioration of coatings such as blistering, rusting, cracking and more. These standards are essential for industries involving coatings, paints and surface protection as they provide a systematic and standardized way to assess the condition of coatings and make informed decisions about maintenance and corrective actions.
EUROLAB assists manufacturers with ISO 4628-6 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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