Ratings
| Lightfastness | III | Fair (Impermanent)
Blue wool 4-5. The pigment will remain unchanged for 15 to 50 years with proper mounting and display. ("May be satisfactory when used full strength or with extra protection from exposure to light.") |
|---|---|---|
| Transparency | S/T | Semi-Transparent
Semi-Transparent |
| Staining | 2 | Low-Staining
Mostly liftable once dry. |
| Granulation | Y | Granulating
Pigment particles are uneven and clearly visible. |