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Saturday, November 9, 2019

Novel Cellulose Ester Paint Formulation RGB Determination

A commercial 'green' gouache blended with cellulose acetate/butyrate ester emulsion ( emulsifying wax, glycerol, water, gum arabic and spearmint oil)  applied to cardstock and dried 24 hours at 20 deg.C. Commercial celite is also added.

The paint also has chitosan added for impasto effect.

An image of the dried paint is uploaded to a server that determines RGB values for the 'green' paint.
I selected pointa at four corners and  near center.
These are averaged.
The paints are shown below the uploaded image.

Avg RGB:    R 12% G 51%. B 37%

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