Sanodure® Black CRO
Aluminum Dye
Sanodure® Black CRO is a homogeneous water soluble black dye with rapid adsorption dyeing of anodized aluminum.
Sanodure® Black CRO is of primary interest for finishing processes in which rapid dye absorption is desired and the fastness properties are of secondary importance.
Only recommended for interior use.

Customer Support
How can we help you?
Benefits
- Rapid dye absorption
- Moderate fade resistant properties
- Suitable for indoor applications
Technical data
Product Data
Delivery Form | Powder | |
Solubility in water | (20°C/69°F) | 40 [g/l] |
Recommended dye bath | pH | 6.5-7.5 |
Recommended dye bath | buffer | no buffer |
Light fastness | (12µm) | 3-4 |
(20µm) | 7-8 | |
Single dye | ✓ | |
Dye blend | – |
Applications
- Indoor
- dyeing of continuously produced oxide coatings (coil anodizing or similar thin coatings)
- dyeing of cast parts of high silicon content
- dyeing of oxide coatings with low adsorption power