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Sanodye® Yellow 3GL Sanodye® Yellow 3GL is a homogeneous, water-soluble dye which is distinguished by high fastness  to light, weather and heat.     Sanodye® Yellow 3GL suitable for

Sanodye® Yellow 3GL 
Sanodye® Yellow 3GL is a homogeneous, water-soluble dye which is distinguished by high fastness 
to light, weather and heat.  
Sanodye® Yellow 3GL suitable for interior and exterior architectural purposes.  
Sanodye® Yellow 3GL is also suitable for alloys containing silicon (Grinatal type); pleasant fast to 
light olive shades are obtained.  
 1. Dye-specific data 
 Commercial form: fine granules 
 Shade: greenish yellow (lemon yellow) 
 Chemical character: methine dye 
 Bulking volume: 750 g/l 
 Solubility in water: 100 g/l at 20°C 
 Storage stability: virtually unlimited, store containers closed tightly 
 Ecotoxicological data: see Safety Data Sheet. 
2. Application conditions 
 ConcentrationDyeing temperature Dyeing time
Standard coating thickness (12 µm) 0,05 - 3 g/l 25 - 60°C 10 - 20 min 
Sanodal coating thickness (25 µm) 3 - 4 g/l 55 - 60°C 30 - 45 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. Preparation of the dyebath 
When preparing the dyebath care must be taken that the dye is well dissolved. 
The dye can be dissolved in deionized water (80 – 90°C) in a separate container (5 parts water 
to 1 part dye). This stock solution is then stirred into the dyebath.  
4. Fastness of the dyeings 
 Sanodye® Yellow 3GL is distinguished by outstanding lightfastness and heatstability. 
  - Lightfastness of Sanodal® dyeings:  rating > 9 (ISO 2135) 
  - Heatstability:  no change after 12 h at 250°C/482°F. 

5. Special remarks 
 - Unsealed dyeing can be stripped with nitric acid. 
 - The dyebaths are sensitive to sulphate and aluminium; anodized objects should therefore be 
    rinsed thoroughly before dyeing.  
 - Shading: 
With the exception of exterior building elements, the dye can be applied together with  
Sanodal® Turquoise PLW Liquid for green shades. 
 - 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 must be disposed of; e.g. with Anodal® WT-1 Liquid. The precipitation 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® Yellow 3GL. 
Precipitation FeCl3, 40 % Etching lye 
Anodal WT-1 Residual dye 
method ml/g dye ml/g dye 
Liquid          in the filtrate 
ml/g dye mg/l 
A 5,0 - 2,0 ~ 18 
B 5,0 - 2,0 ~ 25 
C - 5,0 3,0 ~ 25 
Many of their dyestuffs, pigments and chemicals are patented by Clariant Ltd. or ist affiliates in numerous industrial countries. 
® Trademark registered by Clariant Ltd or Clariant GmbH in numerous countries. 
* Trademark licensed  to Clariant Ltd in numerous countries. 
+ Manufacter’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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