Sanodye Blue 2LW Granulated (Blue)
Blue 2LW granules are a uniform water-soluble dye with excellent light resistance, weather resistance, and heat resistance. Blue 2LW granules are suitable for both indoor and outdoor building materials.
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Product Details
Blue 2LW granules are a uniform water-soluble dye with excellent lightfastness, weather resistance, and heat resistance. Blue 2LW granules are suitable for both indoor and outdoor building materials.
1. Dye Technical Parameters
Appearance:Fine granules
Color:Light blue to navy blue
Composition:Non-metallic anthraquinone dye
Density:750g/l
Solubility:5g/l, 20°C
Shelf life:Can be stored indefinitely in sealed original packaging
Safety data:See safety data sheet (MSDS) for details
2. Application Conditions
|
Concentration
|
Dyeing temperature
|
Dyeing time
|
|
|
Standard film thickness (12um)
|
0.05 -3 g/l
|
25 - 60℃
|
10 - 20 min
|
|
SanodalFilm thickness (25um)
|
3 g/l
|
25 - 35℃
|
45 - 60 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:Best to use deionized water
Sealing:Best to use Anodal® ASL (one-step or two-step)
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 five times the amount of hot water (80-90°C) compared to the dye. Then, stir the pre-dissolved stock solution into the dyeing bath.
4. Dye Lightfastness
Blue 2LW has excellent lightfastness.
Lightfastness:Grade >9 (ISO 2135)
5. Instructions
- Undyed areas 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 Dyeing Solution
Waste dyeing solution can be treated with Anodal WT-1, and the following table lists the treatment methods for dyeing waste liquid:
| Precipitation method |
FeCl3, 40%
(ml/gDye
)
|
FeCl3, 40%
(ml/gDye
)
|
Anodal WT-1
(ml/g dye
)
|
Residual dye in filtrate (
)
mg/l
Relative reduction rate of original liquid dye
|
%
<
(
>
Relative reduction rate of original liquid dye
|
| A |
2.5
|
- |
0.6
|
~4.51
|
~ 99.899.9
|
| B |
2.5
|
- |
0.6
|
~4.51
|
~ 99.899.9
|
| C | - |
2.5
|
1.0 |
~4.5
|
~ 99.8
|
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