DIN 4575:2026-01

This document specifies a test procedure for verifying the surface quality of furniture surfaces. Defects such as open porosity due to incomplete hardening of the resins, hairline cracks, etcetera are assessed. This document is to be used for melamine resin-coated furniture surfaces consisting of: - Continuous Pressed Laminate, CPL: according to DIN EN 438-1 or manufacturer's specification; - High Pressure Laminate, HPL: decorative high pressure laminate according to DIN EN 438-1; - Melamined Faced Board, MFB: melamine-coated boards according to DIN EN 14322. This document has been prepared by Joint Working Committee NA 042-05-08 GA "Gemeinschaftsarbeitsausschuss NHM/NAB: Anforderungen und Prüfverfahren für Möbeloberflächen, SpA CEN/TC 207/WG 7 und ISO/TC 136/WG 8" ("Joint Working Committee NHM/NAB: Requirements and test methods for furniture surfaces, mirror committee CEN/TC 207/WG 7 and ISO/TC 136/WG 8") at DIN Standards Committee Timber and Furniture (NHM).