Natural pigment- Natural umber
Natural clay containing 25-30% iron oxides and 8% manganese oxides
Chemical description: clayey rock with an iron content of 25-30% and manganese up to 8%. Chemical formula: -
Light resistance: 8
Alkali resistance: 5
Acid resistance: 5
Used for techniques: acrylic, tempera, watercolor, gouache, fresco, ceramic, oil
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