 
                            Sanodye® Black OA is unique for a black dye in that it is metal-free and may be used where disposal of metal containing effluent is objectionable. When properly applied it is suitable for almost any exterior application.
| C. I. Name | Aluminum dye | 
|---|
| Dye blend | – | 
|---|---|
| Single dye | ✓ | 
| Delivery Form | Granules | 
| Light fastness | >8 | 
| Solubility in water | 20 [g/l] (20°C/69°F) | 
| Recommended dye bath | Sodium Acetate buffer |