Paints and varnishes - Visual comparison of colour of paints
STANDARD published on 1.10.2020
Designation standards: ČSN EN ISO 3668
Classification mark: 670530
Catalog number: 511113
Publication date standards: 1.10.2020
The number of pages: 20
Approximate weight : 60 g (0.13 lbs)
Country: Czech technical standard
Category: Technical standards ČSN
This document specifies a method for the visual comparison of the colour of films of paints or related products against a standard (either a reference standard or a freshly prepared standard) using artificial light sources in a standard booth.
It is not applicable to coatings containing special-effect pigments, e.g. metallic, without previous agreement on all details of illuminating and viewing condition