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Professional colors contain finest pure pigments, milled in alkali-refined linseed oil. High chroma, superior tint strength, excellent adhesion, light-fastness, and archival permanence.
Color Swatches created using heavy application/medium application/50% tint and were applied on acrylic primed canvas (7 oz) material.
cobalt zinc aluminate
Cobalt zinc aluminate produces a deep, bright shade of Cobalt Blue
Cobalt salts are extremely lightfast and temperature stable.
Cobalt salts are toxic.
Since the discovery of processes for mining and purefying Cobalt Blue (PB28) in the 19th century, additional processes for manufacturing and purifying other cobalt salts have become available. Their use as artist pigments has followed.
Cobalt Blue Deep
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Material Safety Data Sheet
® Grumbacher is a registered trademark of Chartpak.™ Pre-Tested, Superba and Thio are trademarks.