Sanodal Deep Black H3LW (Deep Black)
Deep black H3LW is a single dye with excellent lightfastness, weather resistance, and heat resistance. It is mainly used for: 1. Dyeing aluminum products in the electronics and optics industries, with high thermal stability. 2. Dyeing outdoor architectural aluminum materials, with excellent light and weather resistance. 3. Dyeing indoor products in blue-gray.
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Product Details
Deep black H3LW is a single dye with excellent lightfastness, weather resistance, and heat resistance.
Mainly used for:
- Dyeing aluminum products in the electronics and optics industries, with high thermal stability.
- Dyeing outdoor architectural aluminum materials, with excellent light and weather resistance.
- Dyeing indoor products in blue-gray.
1. Dye technical parameters
Appearance:Black paste
Composition:Single heavy metal complex azo dye
Shelf life:Can be stored for 5 years under sealed original packaging at 5-30°C. Color: Neutral black, shows steel gray at low concentration.
Density:1150g/l at 20°C
Solubility:Infinite solubility
Safety data:See safety data sheet for details.
2. Application conditions
|
Concentration
|
Dyeing temperature
|
Dyeing time
|
|
|
Gray standard film thickness (12um)
|
0.1 -2 g/l
|
25 - 60°C
|
10 - 20 min
|
|
Deep black standard film thickness (12um)
|
10 g/l
|
55 - 60°C
|
10 - 20 min
|
|
Deep blackSanodalFilm thickness (25m)
|
10 g/l
|
55 - 60°C
|
30-40 min
|
Applicable pH:5.5±0.5
pH adjustment:It is recommended to add Anodal Dye Buffer to adjust to pH 5.6, with a recommended concentration of ≤10ml/l, and do not use ammonia to adjust pH.
Water quality requirements:It is best to use deionized water, tap water can also be used, but it will reduce the life of the bath solution.
Sealing:It is recommended to use Anodal® ASL.
5. Dye lightfastness and other properties
5.1 Lightfastness
Deep black H3LW has excellent lightfastness.
Black dye:
|
Film thickness
|
ISO 2135, blue scale method
|
|
12um
|
>8
|
|
25um (Sanodal)
|
>9
|
5.2 Heat resistance
Dye test samples have very stable heat resistance.
Black dye (12um-15um) tested at 250°C for 2 hours showed no changes.
5.3 Sealing quality
Sealing quality is not affected by the dye.
5.4 Corrosion resistance test
The following test results are excellent and not affected by the dye:
- Cass test (ISO 3770, 24 h)
- Kesternich test (DIN 50018, SFW 2.0 S, 6 weeks)
6. Treatment of waste dyeing solution
Waste dyeing solution can be precipitated using Anodal WT-1 Liquid. The table below lists the treatment methods for dyeing waste liquid:
| Precipitation method |
FeCl3,40 %
(ml/gDye)
|
Alkaline etching solution
(
ml/g
Dye
Dye)
|
Anodal WT-1
(ml/gDye)
|
Filtrate residual dye
Relative dye concentration
(
mg/l
)
|
Reduction rate
(%)
~3
>99.9
|
| A |
1.2
|
- |
0.3
|
~110
|
~70
|
| B |
1.2
|
- |
0.3
|
~110
|
~70
|
| C | - |
1.2
|
0.3
|
~70
|
~70
|
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