Premium quality natural umber earth from France.
The pigment is prepared by careful selection, grinding, washing, and levigation in controlled environmental conditions by an innovative approach.
• Alternative names: Natural umber earth, raw umber
• Color index: Pigment Yellow 43
• History of use: Since prehistoric times
• Non-toxic
• Lightfastness (UV resistance): 8 (excellent)
• Suitability: Acrylics, Fresco, Oil, Tempera, Watercolor
• Origin: France
• Custom quantity is available upon request, please contact us for more information.
• Shipped within 1 to 3 days of the purchase date. Rush delivery may be available at an additional charge. Please contact us for more information. The color is shipped in a secure package.
• Free shipping in Greece
References/Βιβλιογραφία:
References
(1) Cornell, R. M., & Schwertmann, U. The Iron Oxides: Structure, Properties, Reactions, Occurrences and Uses. Wiley 2006.
(2) Helwig, K. Iron Oxide Pigments, in Artists’ Pigments, Berrie, B.H., Ed., National Gallery of Art Washington, 2007, pp 38 – 109.
(3) Hradila, David; Grygara, Tomáš; Hradilová, Janka; Bezdička, Petr. Clay and iron oxide pigments in the history of painting. Applied Clay Science 22, 2003, p. 230
