DEK Greyscale for the evaluation of colour change DIN EN 20105-A02 - long

This gray scale consists of a series of nine pairs of matte gray plates that have contrast levels from "1" = strong color change to "5" = no color change with the respective half levels. Each pair of the gray scale corresponds to an authenticity number. By comparing the contrast between the treated and untreated sample with the corresponding levels of the gray scale, it is possible to assess how resistant dyed or printed textiles are to the influences to which they are exposed during production or use.

This is the long version. It has a function page. We also sell a short version with two function pages.

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