Description
The pigment is called "Burnt Sienna" and is a natural calcined earth pigment. It is more opaque today than 200 years ago, and for greater transparency, consider Gamblin Transparent Earth Colors and Van Dyke Brown. The pigment is made of calcined natural iron oxide (PBr7) and is in a vehicle called "alkali refined linseed oil." The pigment is rated as "I, Series 1, SEMI-TRANSPARENT."
Burnt Sienna: Natural calcined (roasted) earth pigment. More opaque today than 200 years ago. For greater transparency, consider Gamblin Transparent Earth Colors and Van Dyke Brown.Pigment: Calcined natural iron oxide (PBr 7) Vehicle: Alkali refined linseed oilLightfastness I, Series 1, SEMI-TRANSPARENT
pdf=Gamblin Artists Oil Earth Colours Data Sheet.pdf Gamblin Artists Oil Earth Colours Data Sheet