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EVS-EN 927-7:2020

Paints and varnishes - Coating materials and coating systems for exterior wood - Part 7: Assessment of knot staining resistance of wood coatings

General information
Valid from 04.05.2020
Base Documents
EN 927-7:2020
Directives or regulations
None
Standard history
Status
Date
Type
Name
04.05.2020
Main
05.09.2012
Main
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.
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Standard monitoring