Paper Dye Direct Black 19 Direct Light Fast Black G

• Customization: Available
• Colour: Black
• Appearance: Powder
• Model NO.: Direct Black 19
• Name: Direct Light Fast Black G
• Content: 100%
• C.I.No.: Direct Black 19
• Transport Package: 25kg/Drum, Carton Box, Bag
• Trademark: Emperor
• Origin: China
• HS Code: 3204140000

Product Description

Product Description

 

Product Name: Direct Black 19
C.I. No.: 35255
CAS No.: 6428-31-5
Molecular Formula: C34H27N13Na2O7S2
Molecular Weight: 839.77
Relative Name:
Direct Light Fastness Black L-3BQ,Direct Light Fastness Black,Direct Light Fastness G
Direct Black 19, disodium salt (8CI);Artificial SilkBlack G;Artificial Silk Black GN;Artificial Silk Black GR;Bali Viscose Black G;BencidalFast Black G;Benzanil Fast Black G;Benzo Fast Black G;Benzoform BlackRRA-CF;;ChromeLeather Black GNA;Columbia Fast Black G;Daiwa Black 320H;Diamine Fast Black B;Direct Black 19;Direct Black L 3BG;Direct Fast BlackGU;Direct Fast Black SA;Direct Rayon Black KSG;Formal Fast Black 2B;Hispamin Fast Black CG;Kayarus Black G;Kayarus Black G Conc.;Orient Water Black 7;Phenamine Viscose Black RR;Pyrazol Fast Black GS;Rayon Black G;Rayon BlackGSN;Solar Black G;Sumilight Black G;Tertrodirect Black V;Tetrazo Deep Black GC Extra;Viscose Black GNA;Viscose Black J;Viscose Black N;Viscose Black NG;Vondacel Black VN;Water Black 100L;WaterBlack 108L;Water Black P 200;
 
Direct Direct Black 19 Physical Properties and light fastness, solubility.

Direct Direct Black 19
Dyeing depth %	2
Insolubles %	0.15
Light Fastness	3
Washing Fatness	2
Rubbing fastness(dry)	4
Rubbing fastness(wet)	3

 
Direct Direct Black 19 Properties:
green and black. Black powder. Soluble in water for green light black, solubility of 100 g/L (80 ºC), 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.
 
Note: The data contained here are based on our current knowledge and experience. It is the responsibility of user to test our products before the final application.
 

Detailed Photos

 

Company Profile

 

FAQ

 

FAQ: WHAT YOU CARE

Q1. How can I get the samples for testing?

A:

1. We can provide a certain quantity of free samples. Please give the specific CAS or CI NO. of the product and we will give you the sample based on our standard.
2. You can send your samples to our office and we will send back the copy samples for you. It's a more efficient way.

Q2. How can I get the price of needed products?

A:

1. Please give the exactly CAS or CI Number, quantity, packing, destination port or specs requirements. We can according to your exact requirements to give you the price.
2. You can send us a sample, we can according to your sample give you a counter sample and price.

Q3. I don't know whether your product can be available, how can I order this from you?

A:
It's the best way if you can send us a sample, so we can according to your samples give you a counter sample for checking the quality. Also we will quote a price for you to check the cost. After confirming all of this, you can contact our sales for an order.

Q4. I am a small wholesaler, do you accept small order?

A:
It's no problem if you are a small wholesale, we would like to grow up with you together.

Q5. How to use the product?

A:
We are pleased to be requested the application methods from you and we will use words and videos to tell how to use. We also have application engineers can provide onsite service for you customers.

Q6. We want to be your agent of our area, how to apply for this?

A:
Please send your idea and your profile to Gloria xu

Q7. Can you make OEM service of your products?

A:
Yes. We can accept OEM service. Also we have provided OEM service to lots of big and famous companies in the order.

Q8. How can you ensure the quality to us?

A:

1. Quality is the foundation of our company,we have been engaging in this field for more than 20 years. Superior quality brings us the benefits and gives us the vitality.
2. The bulk production is the same quality as the confirmed sample we provide to you for testing before the order.
3. If you still have doubt, you can request the third part company, such as SGS, to inspect and test the bulk cargo before shipment (you should bear the inspection expense).