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  • Sanodye-Blue-G.jpg

Sanodye Blue G (Blue)

Blue G is a uniform water-soluble dye with excellent lightfastness, weather resistance, and heat resistance, suitable for both indoor and outdoor use.


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Product Details


Blue G is a uniform water-soluble dye with excellent light, weather, and heat resistance, suitable for both indoor and outdoor use.
1. Dye Technical Parameters
Appearance:Deep blue granules
Color:Light blue to navy blue
Composition:Non-metallic anthraquinone dye
Density:700g/l
Solubility:3g/l, 20°C
Shelf life:Can be stored indefinitely in sealed original packaging
Safety data:See safety data sheet (MSDS)
2. Application Conditions

 
Concentration
Dyeing temperature
Dyeing time
Standard film thickness (12um)
0.05 - 5 g/l
25 - 60°C
10 - 20 min
SanodalFilm thickness (25um)
3 g/l
30 - 40°C
10 - 20 min

Applicable pH:5.5±0.5
pH adjustment:It is recommended to add Anodal Dye Buffer to adjust to pH 5.6
Water quality requirements:Deionized water is preferred
Sealing requirements:Recommended to use Anodal® ASL (one-step or two-step)
3. Preparation of dye bath
When preparing the dye bath, it must be fully dissolved.
It is best to pre-dissolve in a separate container using five times the amount of dye in hot water (80-90°C). Then, stir the pre-dissolved stock solution into the dye bath.

4. Dye lightfastness
This dye has extremely good lightfastness.
Lightfastness:Grade >9 (ISO 2135)
5. Instructions

  • Unsealed dyeing can be removed with dilute nitric acid.
  • This dye is sensitive to aluminum, so workpieces that have been anodized must be thoroughly cleaned before dyeing.

6. Disposal of waste dye solution
Waste dye solution can be precipitated using Anodal WT-1 Liquid. The table below lists other substances required for precipitating Blue G:

Precipitation method
FeCl3, 40%
(Dye)ml/gAlkaline etching solution
Anodal WT-1
(Dye)ml/gAlkaline etching solution
Residual dye in filtrate
(Dye)ml/gAlkaline etching solution
Dye )
(Dye) mg/l Relative reduction rate of original dye
Dye reduction rate %
(Dye)<Relative reduction rate of original dye
A
2.5 
-
0.3 
>99.9
~ 2
B
2.5 
-
0.3 
>99.9
~ 2
C -
2.5 
0.3 
~99.9
~99.9

 

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