Direct Black 80 for Cellulose Fiber, Paper, Leather

Product Description

Product Description Product Name: Direct Black 80
C.I. No.: 31600
CAS No.: 8003-57-4
Molecular Formula: C36H23N8Na3O11S3
Molecular Weight: 908.78
Shade: black. Blue-black uniform powder.
Relative name:Direct black OB; Black OB;Atul Developed Black NB-OB

Technical Data Sheet

Direct Direct Black 80
Dyeing depth %	2
Insolubles %	0.15
Light Fastness	2-3
Washing Fatness	3-4
Rubbing fastness(dry)	4
Rubbing fastness(wet)	3

Direct Direct Black 80 Properties:
black. Blue-black uniform powder. Soluble in water for a blue-black, insoluble in organic solvents. The strong sulfuric acid for blue, purple precipitation after diluted; In nitric acid solution for yellow light red; Partly dissolved in strong hydrochloric acid for purple. The dye solution to join 10% sodium hydroxide solution for red light blue.
Applications:
Used for cellulose fiber dyeing, also can be used for paper and leather 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.
Packaging & Shipping
Company Profile HANGHZOU EMPEROR CHEMICAL CO, , Ltd Is engaged in dyestuffResearch and development and production of high-tech enterprises.Our Company was established in 1998, located in Zhejiang province,Hangzhou city, Our dyestuff is widely use on different applications such as painting, leather, paper, cotton, wood, fertilizer, seed and so on.In 2000, Our Brand "Enoch® " was born, with years of serviceQuality improvement and technical innovation, Today "Enoch ® "have been reputed for both domestic and international market.EMPEROR, is committed to provide complete customer satisfaction when it comes to the quality, performance, timely delivery and prices of products. We believe Quality is the life of EMPEROR, We′ve addressed certain critical measurements to assure quality and performance, such as viscosity, surface tension, pH, conductivity, color, and purity, light fastness in order to control as many variables as possible and produce best product possible.OUR MISSION is to lead the industry in creating value for our customers through dedication on standards, quality, productivity and customer satisfaction.OUR VISION is EMPEROR aims to be best dyestuff producer in the chemical industry.
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. 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.

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