90.93 Standard confirmed Apr 2, 2024
ISO
ISO/TC 256 Pigments, dyestuffs and extenders
International Standard
87.060.10 Pigments and extenders
Specifies three types of pigment consisting predominantly of cadmium sulfide or of mixed crystals of cadmium sulfide and cadmium selenide; the cadmium may be partially replaced by zinc. Type 1, concentrated pigments, contain not more than 30 % (m/m) of extenders: type 2, extended pigments, contain not more than 70 % (m/m) of extenders: type 3, these are essentially pure and do not contain any extenders and are mainly suitable for use in ceramics.
PUBLISHED
ISO 4620:1986
90.93
Standard confirmed
Apr 2, 2024