Burnt Umber: Vigorous drier due to high manganese content. Burnt Umber is useful as an underpainting drawing color. Because of high oil content, use thinly in under layers.

Pigment: Calcined natural iron oxide, containing manganese (PBr 7)
Vehicle: Alkali refined linseed oil
Lightfastness I, Series 1, SEMI-TRANSPARENT, SDS

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