The document specifies a test method for assessing the resistance of paint coatings to separation from the substrate when a lattice pattern is cut into the coating, penetrating through to the substrate.#,,#
DIN EN ISO 2409:1994 history
2020DIN EN ISO 2409:2020 Paints and varnishes - Cross-cut test (ISO 2409:2020); German version EN ISO 2409:2020