WN Cobalt Blue 5ml

Colour information Colour name: Cobalt Blue, Colour number/code: 178, Series number: 4, Chemical description: Cobalt aluminate, Colour index name: PB 28, Colour index number: 77346, Permanence rating: AA, ASTM lightfastness rating: I, Transparency/Opacity: ST, Granulating/Staining: G