90.93 Standard confirmed Sep 22, 2022
ISO
ISO/TC 35/SC 9 General test methods for paints and varnishes
International Standard
87.040 Paints and varnishes
Published
ISO 3668:2017 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 conditions
WITHDRAWN
ISO 3668:1998
PUBLISHED
ISO 3668:2017
90.93
Standard confirmed
Sep 22, 2022