Cadmium Pigments - Specifications and Methods of Test

Document Number: NL ISO 4620 : 2017
Sector: PAINT AND COLOUR INDUSTRIES
TC: NL TC 256
ICS: 87.060.10
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.