NS-EN ISO 11640:2012
Leather — Tests for colour fastness — Colour fastness to cycles of to-and-fro rubbing (ISO 11640:2012)
standard by Standards Norway NS-EN ISO , 02/01/2013
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ADOPTED_FROM:EN ISO 11640:2012
The principle of the method specified is rubbing one side of the leather to be tested with pieces of reference wool felt under a given pressure for a given number of forward and backward motions, assessing the change in colour of the pieces of felt and of the leather with the grey scales
Document History
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NS-EN ISO 11640:2018
Leather — Tests for colour fastness — Colour fastness to cycles of to-and-fro rubbing (ISO 11640:2018)- Most Recent
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NS-EN ISO 11640:2012
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Leather — Tests for colour fastness — Colour fastness to cycles of to-and-fro rubbing (ISO 11640:2012)- Historical Version
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NS-EN ISO 11640:1998
Leather — Tests for colour fastness — Colour fastness to cycles of to-and-fro rubbing (ISO 11640:1993)- Historical Version
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