Natural pigment- Natural dark umber
Natural umber. A clayey rock with an iron content of 25% and a manganese content of up to 20%.
Color: dark brown with green shadow
Chemical description: clayey rock with an iron 25% and manganese 20%
Light resistance: 8
Alkali resistance: 5
Used for techniques: acrylic, tempera, watercolor, gouache, fresc
The pigment was made by crushing and grinding. There may be insight uncrushed mineral in the package.
Pigments may contain harmful substances, so remember about safety rules.
- use eye and hand protection,
- cover the respiratory tract, do not eat,
- keep away from children,
- wash your eyes in case the pigment gets into your eyes