What is BS EN ISO 4628-2:2013?

BS EN ISO 4628-2:2013 is an international standard that provides guidance for assessing the quantity and size of surface defects on coated surfaces. This standard is part of a series of standards under the ISO 4628 umbrella, which focuses on paint and varnish performance evaluation.

The Importance of Assessing Surface Defects

Surface defects can significantly impact the overall performance and lifespan of coated surfaces. They can affect the aesthetic appearance, adhesion, corrosion resistance, and durability of the coatings. By conducting a thorough assessment of surface defects, manufacturers, applicators, and inspectors can ensure that the coated surfaces meet the desired quality standards.

The Assessment Process

The assessment process outlined in BS EN ISO 4628-2 involves visually inspecting the coated surface and categorizing the defects into different classes based on their size and quantity. The standard provides clear guidelines and reference photographs to help assessors accurately determine the severity of the defects. The results of the assessment are then used to make informed decisions regarding the acceptability of the coated surfaces.

Benefits and Applications

By following BS EN ISO 4628-2, companies can establish consistent quality control measures for their coated products. This standard enables manufacturers to identify potential defects early in the production process, leading to improved product quality and customer satisfaction. Additionally, it helps end-users select appropriate coating systems by providing reliable information about the surface quality and expected lifespan of the coatings.