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DIN EN 646

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

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Organization: DIN
Publication Date: 1 February 2019
Status: active
Page Count: 11
ICS Code (Paper and board): 85.060
ICS Code (Materials and articles in contact with foodstuffs): 67.250
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.

Document History

DIN EN 646
February 1, 2019
Paper and board intended to come into contact with foodstuffs - Determination of colour fastness of dyed paper and board
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....
March 1, 2017
Paper and board intended to come into contact with foodstuffs - Determination of colour fastness of dyed paper and board; German and English version prEN 646:2017
A description is not available for this item.
July 1, 2006
Paper and board intended to come into contact with foodstuffs - Determination of colour fastness of dyed paper and board
A description is not available for this item.
December 1, 2000
Paper and board intended to come into contact with foodstuffs - Determination of colour fastness of dyed paper and board; English version of DIN EN 646
A description is not available for this item.
January 1, 1994
Paper and board intended to come into contact with foodstuffs; determination of colour fastness of dyed paper and board
A description is not available for this item.

References

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