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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

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Kehtiv alates 04.05.2020
Alusdokumendid
EN 927-7:2020
Tegevusala (ICS grupid)
87.040 Värvid ja lakid
Direktiivid või määrused
puuduvad
Standardi ajalugu
Staatus
Kuupäev
Tüüp
Nimetus
04.05.2020
Põhitekst
05.09.2012
Põhitekst
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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