Direct Black 19
Delivery term:The date of payment from buyers deliver within days- Price:
Negotiable
- minimum:
- Total supply:
- Delivery term:
The date of payment from buyers deliver within days
- seat:
Tianjin
- Validity to:
Long-term effective
- Last update:
2020-09-14 17:33
- Browse the number:
303
- Tianjin Newcolour Group
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Contact:
tjgtcr(Mr.)
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Email:
-
Telephone:
-
Phone:
-
Area:
Tianjin
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Address:
2105-2106 HUICHENG PLAZA, NO.56 XIANFENG ROAD, DONGLI DISTRICT, TIANJIN, CHINA
- Website: http://www.newcolourdyes.com/ http://tjgtcr.zzjbh.net/
By certification [File Integrity]
Product details
| Properties |
Green and black. Black powder. Soluble in water for green light black, solubility of 100 g/L (80 ℃), slightly soluble in ethanol and acetone.
The strong sulfuric acid in the green light for black, dilute red after black precipitation; In nitric acid to dark brown. Dyes and microstructure of sulfuric acid solution 10% red; Add thick sodium hydroxide solution for green light blue. Copper ions in dyeing color shade the green, iron ion a slight change in color.?
| Applications |
Used in viscose of dyeing and printing. In the cotton knitwear, blankets, flannelette, silk, viscose, silk that the fabric, wool/viscose fiber blend fabrics can be used. Can also be used in leather, paper and electrochemical aluminum color.
| Manufacturing Methods? |
4-Nitrobenzenamine (2 Moore) diazo, one in acid conditions, a in alkaline conditions and 4-Amino-5-hydroxynaphthalene-2,7-disulfonic acid (1 Moore) coupling, and then will the nitro reduction, diazotization, again with Benzene-1,3-diamine (2 Moore) coupled.
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