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- Student Grade Watercolors
- Grumbacher Academy Watercolors
- Grumbacher Academy Watercolor Indigo 7.5ml
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Product Description
Indigo (A112)
ACMI Tox Rating: CL
CI Name: PB29, PV19, PBk7
Chemical Description: Complex Silicate of Sodium and Aluminum with Sulfur, Gamma Quinacridone, Nearly Pure Amorphous Carbon
Lightfast Rating: I
STA/SED: -
Description: Consistent color for an economic price. A blue black color with a purple bias, this historic color was a popular commodity in ancient times. Used mostly for underpainting.
reference: www.grumbacherart.com
