Description
Cobalt blue pigments are the most durable blue pigments commercially available. They have excellent chemical and heat stability, and can be used in chemically aggressive environments and exterior durable applications without color fade.
| Color Information | |
| Single Pigment: | Cobalt Chromite blue spinel |
| Binder: | Gum Arabic |
| Pigment Information | |
| Color: | Blue |
| Colour Index: | Pigment Blue 36 (77343) |
| Chemical Name: | Cobalt Chromite Blue-Green Spinel |
| Chemical Formula: | Co(Al,Cr)2O4 |
| Properties | |
| ASTM Lightfastness: | I |
| Opacity: | Semi-Transparent |
| Tinting Strength: | High |
| Staining: | Average |
Health and Safety: There are no acute or known chronic health hazards associated with the anticipated use of this product (most chemicals are not fully tested for chronic toxicity). Always protect yourself against potentially unknown chronic hazards of this and other chemical products by keeping them out of your body. Do this by avoiding ingestion, excessive skin contact, and inhalation of spraying mists, sanding dusts and vapors from heating. Conforms to ASTM D-4236.
Note: Some separation of pigment and medium may occur in Rublev Colours Watercolors and is a natural process when no stabilizers are added to paint to prevent this from occurring.
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