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naSRPS EN 646:2025

Paper and board intended to come into contact with foodstuffs - Determination of colour fastness of dyed paper and board

General information

40.20     May 14, 2026

40.60    Jul 16, 2026

ISS

H006

European Norm

85.060  

English  

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Scope

This document describes procedures for the testing of dyed paper and board intended to come into contact with foodstuffs. Some procedures depending on the foreseeable use of the material are given.
Visual evaluation against a grey scale provides grading of the bleeding.
For samples having significant different sides, a migration can occur from one glass fibre to the other and could lead to wrong interpretation of the fastness of one side. It is advisable to check these samples using large sampling procedure to prevent cross contamination of the glass fibre during the migration procedure. The procedure is described in Annex A. If lower limit of detection is required, this procedure could also be used.

Life cycle

PREVIOUSLY

PUBLISHED
SRPS EN 646:2018

NOW

PROJECT
naSRPS EN 646:2025
40.20 DIS ballot initiated: 12 weeks
May 14, 2026

Related project

Adopted from prEN 646 IDENTICAL

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