#40610
Raw Umber
from Cyprus
Buy Raw Umber:
Ordering information
Please read the material safety data sheet (MSDS).
Safety Data Sheet 40610_SDS.pdf
Hazardous Item Disclaimer
Before checkout please check the box for the Hazardous Item Disclaimer to prove you are aware of these risks and responsibilities.
Cautionary Label
Products may contain hazardous substances. Read the ACMI cautionary label carefully and consult our safe handling procedures.
Warnings
WARNING: MAY BE HARMFUL IF SWALLOWED.
Contains: LEAD
Precautions
PRECAUTIONS: KEEP OUT OF REACH OF CHILDREN.
FIRST AID TREATMENT: If swallowed, get prompt medical attention.
Umber can be thought of as an ocher in which more or less large parts of the iron oxide have been replaced by manganese dioxide. The higher the manganese content, the darker the coloration. The most artistically valuable umber varieties come from Cyprus, others from Italy, England or Germany.
Downloads
- Chemical description: Natural brown umber. Pigment Brown 8, C.I. 77727
- Lightfastness - thinned: 8 (1 is bad, 8 is best)
- Lightfastness - medium: 8 (1 is bad, 8 is best)
- Lightfastness - concentrated: 8 (1 is bad, 8 is best)
- ColorIndex: PBr 8.77727
- Suitability: Acrylics, Cement / Tadelakt, Ceramic, Lime / Fresco, Oil, Silicate binder, Waterglass, Tempera, Watercolor / Gouache
- Colors: Brown
- Forms: powder
- Solubility in water: insoluble
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For which application / techniques is Raw Umber suitable?
Raw Umber is suitable for Tempera, Watercolor / Gouache, Ceramic, Cement / Tadelakt, Oil, Silicate binder, Waterglass, Acrylics, Lime / Fresco -
What color has Raw Umber?
Raw Umber has the color Brown. -
What Colorindex has Raw Umber?
Raw Umber has the Colorindex PBr 8.77727. -
How lightfast is Raw Umber?
Raw Umber has the lightfastness thinned = 8, medium = 8, concentrated = 8 (1 is bad, 8 is best).