Cobalt Blue Dry Pigment Genuine PB28 227G. /8oz.
The ASTM (1999) rates its lightfastness in watercolors as “excellent” (I), and all manufacturer and independent tests agree.
Doak Cobalt Blue Dry Semitransparent Pigment Genuine PB28 227g/8 Ounce
Genuine Cobalt Blue PB28 Dry Pigment- 227G./8oz. Genuine PB28 cobalt aluminum oxide is manufactured from among only 10 registered pigment manufacturers worldwide. Cobalt blue PB28 is a very lightfast, semitransparent, moderately staining, dark valued, moderately intense blue pigment, available from 12 pigment manufacturers worldwide. The ASTM (1999) rates its lightfastness in watercolors as “excellent” (I), and all manufacturer and independent tests agree. From noted New York City color-man and purveyor of the finest art materials on the market, Doak pigments.
Cerulean Blue Dry Pigment Genuine PB35 227G. /8oz.
This is genuine authentic cerulean blue at a bargain price.