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CEN/TS 927-8:2020

Paints and varnishes - Coating materials and coating systems for exterior wood - Part 8: Determination of the adhesion on wood after water exposure by a double-X-cut test CEN/TS 927-8:2020

Publication date:   May 18, 2020

General information

90.93 Standard confirmed   Nov 17, 2023

CEN

CEN/TC 139 Paints and varnishes

Technical Specification

87.040   Paints and varnishes

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Scope

This document describes the method for assessing the resistance of paint coatings to separation from substrates when a double-X pattern is cut into the coating, penetrating through to the substrate and using a tape.
Where a measurement of adhesion is required, the method described in CEN/TS 927-9 may be used.
The double X-cut pattern has been especially designed for wood and wood like substrates to minimise the effects from the incisions and at the same time provide a coating segment enclosed by four cuts.

Life cycle

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PUBLISHED
CEN/TS 927-8:2020
90.93 Standard confirmed
Nov 17, 2023