Jiangsu World Chemical Co., Ltd 

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C I Vat Blue 20 Dark Blue Bo Dyeing Of Cotton With Vat Dyes AAA Credit

Under here with, we would like to say that the dyestuff provided by World Chemical Co., Ltd. works very well, especially the vat dyes.

—— Mu hammad umar

Our company is grateful to the company World Chemical Co., Ltd. for fruitful and long-term cooperation. The quality of the products provided satisfies

—— Aslam

I am very satisfied and great service. Though my amount is small, I believe there will be more cooperation in the future.

—— Irfan

You are professional and familiar with our market. Help me develop my products, which makes my company become better. I can trust and rely on them

—— Amy Adam

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C I Vat Blue 20 Dark Blue Bo Dyeing Of Cotton With Vat Dyes AAA Credit

Large Image :  C I Vat Blue 20 Dark Blue Bo Dyeing Of Cotton With Vat Dyes AAA Credit

Product Details:

Place of Origin: CHINA
Brand Name: world brand
Model Number: C.I.Vat blue 20 dark blue BO

Payment & Shipping Terms:

Minimum Order Quantity: 100kg
Price: USD5-10/KG
Packaging Details: 2. 25KG individual package (usual) 3. Inner: plastic bag 4. Outer: carton box or plastic drum (optional) 5. 20' FCL can load over 11 ton in carton box
Supply Ability: 400TONS/MONTH
Detailed Product Description
Color: Blue Appearance: Powder
Purity: 100% Customization: Accepted
Dry Rubbing Fastness: 4-5 Washing Fastness: 7-8
High Light:

indigo blue dye


blue dye

C I Vat Blue 20 Dark Blue Bo Dyeing Of Cotton With Vat Dyes AAA Credit



 Product Specifications


blue powder

leuco color 


light fastness(xenon test)


washing fastness


Dissolution in water

Not dissolved in water

dry rubbing fastness


wet rubbing fastness



 Product Series


1 C.I. vat blue 4
2 C.I. vat blue 6
3 C.I. vat blue 14
4 C.I. vat blue RCL
5 C.I. vat dark blue VB
6 C.I. vat navy blue 5508
7 C.I. vat blue 18
8 C.I. vat blue 20

shade rehandling methods

1.1 warshing method

It is the easiest way to amend the color light,which is suitable for the medium and dark varieties.If the fabric are dark colored with more color floating or not fully washed,poor soaping effect,they can be amended by washing or soaping.


1.2 Reduction steaming

If the cloth is dyed to dark by vat dyes which need to reduced to a light color,use the caustic soda and sodium hydrosulfite for 25g/L each while in steaming washing,over 1/10 color light can be reduced.


1.3 Whitening agent rehanding method

It can be used to reduce the red color of the fabric dyed by the reduction vat dyes and improve the brightness of cloth,especially for the medium or light.General dosage of brightener is 0.3-1.2g/L.


 Company Introduction

Jiangsu World Chemical Co., Ltd is a professional manufacturer of environmental-friendly vat dyes. Reactive dyes and Textile auxiliaries in China. We owe about 80,000,000RMB capital now, covering about 30,000 square meters. We have two subsidiary factories and more than 100 kinds of main products.

The “WORLD” has skilled talents in QC Team, R&D Team, Application Service Team and so on. It has advanced production craft, scientific production and quality supervision. Our products have passed the standard attestation of ISO9001, ISO14001 and REACH late pre-registeration. Our brand is “WORLD”.

We carefully build the "World Brand" vat dyes, reactive dyes and auxiliaries. Our product chromatography is complete, and they have very strong fastness feature, which are especially suitable for application in high fastness requirements under the special field.

Warmly welcome domestic and foreign merchants to come to discuss, share resources, create brilliant.

Our Team and service

We take great pride in our work and in the wide variety of products that we offer. We are experienced in serving the worldwide market. Please be aware that our production lead times depend on specific items and item quantities. Our success has been based on our understanding of the demands and nature of products and marketing deadlines. That's why we always ensure that every order is delivered on time.

  • Customized Service

  We accept CUSTOMIZATION as different customers in different markets always have different needs and wants. MOQ is varied based on the specific item. From the product itself, the package to the marketing catelogue we can provide according to your demands. 

  • Live Broadcast Service

  We know well of what the customers are feeling when waiting for the order after deposit confirmed. Here World Chemical Co., Ltd. provides Live Broadcast Service to inform you of every step in the production. There will be specially-assigned person mailing you situations for raw materials buying, production starting, finished goods packaging, booking cargo space and ect. 

  • Payment Credit Service

  We have cooperated with China Export and Credit Insurance Corporation (SINOSURE). This new financing program can provide you O/A payment of 30-60 days of Maximum USD 100000.  

  • Onsite Service

  We have a professional team of talented application engineers to serve oversea customers. If you have any problem in products application, they can come to your door to slove the problem.


Contact Details
Jiangsu World Chemical Co., Ltd

Contact Person: Allison

Tel: +8615861504187

Send your inquiry directly to us Message not be empty!