Swatches with different brushes. A commercial blue acrylic paint blended with 'cryogenic' polyvinyl alcohol.
A 10% (m/v) solution of PVA is kept at -20 deg C (1.0 hr) followed by 1.0 hr at + 20 deg C. This is repeated five (5) times to produce a cross-linked PVA clear gel.
More details on the preparation of the PVA gel will be uploaded.
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