
LEATHER - TESTS FOR COLOUR FASTNESS - COLOUR FASTNESS TO CROCKING (ISO 20433:2012)
出版:German Institute for Standardisation (Deutsches Institut für Normung)

专家解读视频
Describes a method for determining the amount of colour transferred from the surface of coloured leather to other surfaces by rubbing with a white cotton cloth.
ISO 20433 : 2012(R2017) - Identical
EN ISO 20433 : 2012 - Identical
PREN ISO 20433 : DRAFT 2011 - Identical