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Sanodure® Black CRO

Aluminum Dye

Edition Date :
July 08, 2021
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.

Benefits

  • Rapid dye absorption
  • Moderate fade resistant properties
  • Suitable for indoor applications

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Sanodure® Black CRO

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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

Sanodure dyes are recommended for all kind of indoor applications.

This dye is of special interest for the following applications:
  • short time dyeing
  • cold dyeing
  • 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