Panel 4:
Natural and synthetic dyes
Copyright CCR
Feb 2017
In this panel the
underdrawing is made of
charcoal
(letter "A") and
graphite (letter “E”).
Each synthetic dye is
presented in mixture with two binders:
Arabic gum
(column on the left) and
PVAc (column on the right). Natural
dyes are presented in mixture with Arabic
gum only.
The painted surface is
divided into 3 stripes: the first 2 present 2 different finishings:
terpene resin
(stripe on the top) and
acrylic resin (middle
stripe). The third one is unprotected.