Sanodure Grey HLN Liquid (Gray)
Gray HLN is a uniform water-soluble dye suitable for aluminum anodizing adsorption dyeing. It has a neutral gray color and excellent light and heat resistance. This dye has outstanding mixing properties and can be paired with various dyes from Clariant to achieve a wide range of different color shades.
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Product Details
Gray HLN is a uniform water-soluble dye suitable for aluminum anodizing adsorption dyeing. It has a neutral gray color and excellent light and heat resistance. This dye has excellent mixing properties and can be combined with various dyes from Clariant to achieve a wide range of different color systems.
1. Dye Technical Parameters
Appearance:Black liquid
Color:Neutral gray
Composition:Heavy metal azo complex dye
Density:1100g/l
Solubility:Infinitely soluble
Storage period:Under sealed original packaging, it can be stored for at least 1 year at 0-50°C.
Safety data:See the Safety Data Sheet (MSDS) for details.
2. Application Conditions
|
Concentration
|
Dyeing temperature
|
Dyeing time
|
|
| Light color |
0.1 - 0.5 g/l
|
20 - 30°C
|
10 - 20 min
|
| Medium color |
0.5 - 1.0 g/l
|
20 - 30°C
|
10 - 20 min
|
| Dark color |
1.0 - 5.0 g/l
|
25 - 60°C
|
20 - 40 min
|
Applicable pH:5.5-6.0
pH adjustment:It is recommended to add Anodal Dye Buffer to adjust to pH 5.6.
Dyeing requirements:To ensure uniform dyeing, we recommend stirring the dye bath during dyeing.
Water quality requirements:It is best to use deionized water.
Sealing requirements:It is recommended to use Anodal® ASL.
3. Bath Liquid Preparation
Since this dye is liquid, it can be added directly when opening or replenishing the dye bath.
4. Dye Lightfastness (ISO 2135)
Light gray:5-6 grade
Medium gray:6-7 grade
Dark gray:7-8 grade
Deep black:>8 grade
5. Instructions
- When opening a new dye bath or adding dye, a pH stabilizer must be added to activate the dye.
- Unsealed dyed workpieces can be decolorized with diluted nitric acid.
- This dye is sensitive to sulfate ions, so oxidized workpieces must be thoroughly cleaned before dyeing.
6. Disposal of Waste Dyeing Liquid
Waste dyeing liquid can be precipitated using Anodal WT-1 Liquid. The table below lists the methods for treating dyeing liquid:
| Precipitation method |
FeCl3, 40%
(ml/gDye)
|
Alkali etching solution
(ml/gDye)
|
Anodal WT-1
(ml/gDye)
|
Residual dye in filtrate
(
mg/l
)
|
| A |
3.0
|
- |
0.4
|
<0.1
|
| B |
3.0
|
- |
0.5
|
<0.1
|
| C | - |
3.0
|
0.6
|
<0.1
|
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