Terra di Siena - nature

Suitability:

Oil, Acrylic, Tempera, Watercolor / Gouache, Lime / Fresco, Cement / Tadelakt, Ceramics

Color index:

PY 43.77492

Light fastness:

Full tone: 8, medium: 8, diluted: 8 (1 is bad, 8 is best).
Terra di Siena natur is a yellow iron oxide hydrate with considerable amounts of colloidal silica and comes from near Siena.
A colour pigment with a glazing property that was already used in antiquity.
Thus it is one of the oldest colorants of mankind.
For the calculation of the required pigments you can use the table which you can find in the gallery pictures. It is best to mix a coloured dough with the wetting agent and water. To read the instructions for mixing the dough click here.