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  • Sanodye-Yellow-3GL1.jpg

Sanodye Yellow 3GL (Yellow)

Yellow 3GL is a uniform water-soluble dye suitable for anodized aluminum adsorption dyeing. This dye has excellent lightfastness, heat resistance, and weather resistance. In addition to ordinary aluminum parts, it is also suitable for silicon-containing aluminum alloys (Grinatal type), which can achieve an olive color with outstanding lightfastness.


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Product Details


Yellow 3GL is a uniform water-soluble dye suitable for aluminum anodizing adsorption dyeing. This dye has excellent light, heat, and weather resistance. In addition to ordinary aluminum parts, it is also suitable for silicon-containing aluminum alloys (Grinatal type), which can achieve an olive color with excellent light resistance.
1. Dye Technical Parameters
Appearance:Granular
Hue:Yellow-green (Lemon Yellow)
Composition:Mikawa Dye
Density:750g/l
Solubility:100g/l at 20°C
Storage Period:Can be stored for 10 years in sealed original packaging
Safety Data:See Safety Data Sheet (MSDS) for details
2. Application Conditions

 
Concentration
Dyeing Temperature
Dyeing Time
Standard Film Thickness ( 12μm )
0.05-3g/l 
25 - 60°C
10 - 20 min
SanodyeThickness ( 25μm )
3-4g/l 
55-60°C
30-45 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:Best to use deionized water
Sealing:Recommended to use Anodal® ASL
3. Bath Solution Preparation
When preparing the bath solution, it must be fully dissolved.

It is best to pre-dissolve in a separate container using 5 times the amount of hot water (80-90°C) compared to the dye. Then stir the pre-dissolved mother liquor into the dyeing bath.4. Dye Light Resistance

This dye has excellent light and heat resistance.
Light Resistance:
>8 grade (ISO 2135)Heat Resistance:
No color change at 250°C for 12 hours5. Instructions
Unsealed dyeing can be removed with nitric acid.

  • The dye bath is sensitive to aluminum ions and sulfate ions, and aluminum parts after anodizing must be thoroughly rinsed before dyeing.
  • In addition to outdoor building color elements, this dye can also be mixed with Sanodal Turquoise PLW Liq. to create a green color.
  • Preventing Mold Growth: Adding a biocide can inhibit mold growth for a long time. It is recommended to use 25-50mg/L Nipacide Cl 15 MV (please refer to relevant technical data for details).
  • 6. Treatment of Waste Dye Liquor

Waste dye liquor can be treated with Anodal WT-1, and the following table lists the treatment methods for dye waste:
Precipitation Method

FeCl3, 40%
Dye)
(ml/gAlkaline Etching Solution
Anodal WT-1
(ml/gAlkaline Etching Solution
Residual Dye in Filtrate
(ml/gAlkaline Etching Solution
~ 18
(mg/l)
A
5.0
-
2.0 
~ 25
B
5.0
-
2.0 
~ 25
C -
5.0
3.0
~ 25

 

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