Paints and varnishes - Coating materials and coating systems for exterior wood - Part 7: Assessment of knot staining resistance of wood coatings
NORM herausgegeben am 1.10.2020
Bezeichnung normen: ČSN EN 927-7
Zeichen: 672010
Katalog-Nummer: 510511
Ausgabedatum normen: 1.10.2020
Zahl der Seiten: 16
Gewicht ca.: 48 g (0.11 Pfund)
Land: Tschechische technische Norm
Kategorie: Technische Normen ČSN
This document specifies a test method for assessing the discoloration of coating systems on wood due to wood extractives from knots. The discoloration is measured by colourimetry and the result is stated as the colour difference between the coated surface on the knot and the coated surface beside the knot