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SANODYE GLODEN ORANGE RLW
Sanodye® Golden Orange RLW
Homogeneous, water soluble dyestuff for the adsorptive dyeing of anodised aluminium.
The main applications for Sanodye® Golden Orange RLW are:
Only recommended for interior use.
1. Dye-specific Data
Commercial form: fine granules
Chemical character: Azo-dyestuff, unmetallized
Bulking volume: 700 g/l
Solubility in water: 100 g/l at 20°C
Storage stability: practically unlimited, in closed original containers
Ecotoxicological data: see safety data sheet.
2. Application conditions
Concentration, dyeing temperature and time
Concentration Dyeing temperature Dyeing time
Bright shades 0.05 - 0.2 g/l 25 - 60°C 10 - 20 min
Medium shades 0.3 - 0.8 g/l 25 - 60°C 10 - 20 min
Dark shades 1.0 - 3.0 g/l 25 - 60°C 20 - 40 min
pH-value: 6,0 +/- 0,5
Water quality: preferably deionised
Sealing: preferably with Anodal® ASL(one or two stage sealing).
3. Setting the Dyebath
When setting the dyebath, care must be taken that the dyestuff is well dissolved.
Dissolve the dye preferably with hot water (80°C) in a separate container (approx. 5 parts water
to 1 part dye). Then this mother solution will be added to the dyebath while stirring.
dark dyeings (12 µm): Note 5-6 (ISO 2135).
5. Special remarks
- The dyestuff dyes very extensively.
- Unsealed dyeings can be stripped with nitric acid.
- Prevention of mould formation :
An addition of an antimicrobial product can inhibit mould formation for a long time.
We recommend the addition of Nipacide CI 15 (See Technical Information) 25 – 50 mg/l.
6. Disposal of the dyebaths
Spent dyebaths can be readily precipitated with Anodal® WT-1 Liquid. The method is
described in detail in the Technical Information bulletin for Anodal® WT-1 Liquid.
The table below shows the additions required for precipitating Sanodye® Golden Orange RLW.
Precipitation FeCl, 40% Etching lye Anodal
® WT-1 Residual dye
ml/g dye ml/g dye ml/g dye Liquid in the filtrate mg/l
A 5,0 - 0,6 ~ 8
B 5,0 - 0,6 ~ 5
C - 5,0 1.2 ~ 5