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SANODYE RED GLW

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SANODYE RED GLW

Sanodye Red GLW          Homogeneous, water soluble dyestuff for the adsorptive dyeing of anodised  aluminium.      Only recommended for interior use. 1. Dye-specific Data    Commercial fo
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Sanodye Red GLW 
 
 
 
 
Homogeneous, water soluble dyestuff for the adsorptive dyeing of anodised  aluminium. 
 
 
Only recommended for interior use.

1. Dye-specific Data 
 
Commercial form: fine granules 
Chemical character: Azo-dyestuff, unmetallized 
Density: 800 g/l 
Solubility in water: 50 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 - 4,0 g/l 25 - 60°C 20 - 30 min 
 
 pH: 5,5 ± 0,5 
 Buffer: The dyebaths are preferably buffered with  
     8    g/l   sodium acetate trihydrate  
  + 0,4 ml/l acetic acid for pH 5.6 
 Water quality: preferably deionized  
 Sealing: preferably with Anodal® ASL (one or two stage).  
 
 
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. 
 
 
4. Lightfastness of the Dyeings 
 
Lightfastness of dark dyeings (12 µm):     Note  7  (ISO 2135). 
 5. Special remarks 
 
 -  All purpose dye of low sensitivity, widely used for shading gold tones. 
 
-  Unsealed dyeing can be skipped 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® Red GLW 
 
 
Precipitation FeCl
3, 40% Etching lye Anodal
® WT-1 Residual dye    
method ml/g dye Liquid in the filtrate 
ml/g dye ml/g dye mg/l 
A 2,0 - 0,8 < 0,2 
B 2,0 - 0,8 < 0,2 
C - 2,0 1.5 ~ 1,5 
 
 
 
 
 
 Many of their dyestuffs, pigments and chemicals are patented by Clariant in numerous industrial countries. 
® Trademark of Clariant registered in numerous countries. 
®* Trademark registered in numerous countries and licensed to Clariant. 
®+ Other Manufacturer's registered trade mark 
The signs ®, ®* and ®+ appear only at the first mention of the product. 
The information and recommendations presented here were compiled with the utmost care, but cannot be extended to cover 
every possible case. They are intended to serve as non-binding guidelines and must be adapted to the prevailing conditions. 
 

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