DANSK DS/EN 663 PDF

This Standard specifies three methods for determining conventional pattern depth by change in appearance of the characteristics of the pattern of resilient floor coverings which are classified as follows: Group 1:Patterns where the different bands (in colour and/or relief) are distributed in a uniform manner where the ratio of pattern to background in small areas of 0,01 m2 to 0,02 m2 is not more than 1:4. Group 2: Patterns where this ratio varies considerably where some areas of 0,01 m2 to 0,02 m2 may contain only one part of the pattern.