R&F Pigment Stick - Raw Umber, 38 ml
The Raw Umber is a cool, slightly greenish umber that produces unique grey tints. Titanium-Zinc White is a mixture of 70% Titanium Dioxide and 30% Zinc Oxide. This white combines the concealing power of opaque titanium with the clean tinting properties of semi-opaque Zinc.
- Pigment Composition: PBr7-Raw Umber
- Paint Lines: Encaustic Pigment Stick
- Dimension: 38 ml. stick measuring 5" x 3/4" diameter.
- Opacity: Semi-Transparent
- Pigment Stick Drying Rate: Fast
- Classification: Natural Inorganic
- Chemical Composition: Natural Earth
- Safety Information: Conforms to ASTM D-4236
Pigment Name: PBr7 Raw Umber
Classification: Natural Inorganic. Earth
Properties
Raw Umber is a cool, transparent brown ranging from yellowish-brown to greenish-brown. It has surprisingly good tinting strength and a high opacity level, mixes well with greens, and quickly dries in oil form. It has excellent colour properties and can create a variety of subtle, clear tints when combined with white. It grays when mixed with blue and white. Raw Umber can tend towards chalkiness in dark mixes in oil form.
Permanence
Raw Umber has excellent permanence.
Toxicity
Raw Umber itself is considered non-toxic. If contaminated by manganese compounds, it may be highly toxic if inhaled and moderately toxic if ingested.
History
This pigment comes from the Latin word umbra, meaning shadow or shade. Its full name is terra dombra, meaning earth of shadow/shade, due to its original extraction from Umbria, Italy. It has been used as a pigment since prehistoric times. Currently, the finest umber comes from Cyprus.
