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Brand World vat dyes produced by Xuzhou Dayang Chemical Co., Ltd belong to the type of anthraquinone and anthracene ketones, which is applied for the dyeing of cotton, linen, rayon and blended fabric materials. It appears to the environmental dustproof particles with very good water diffusion, uniformity of dispersion and anti- cohesion of suspension. It is particularly applicable to high-speed continuous dyeing and continuous padding with automatic mixing owning to its fast speed of reduction.While it is also suitable for hidden color and suspension dyeing processes in deep-dyeing.

Vat dyes dyeing process

Vat dyes do not dissolve in water, while when reduced to be leuco salt by reducing agent under alkaline conditions, they can dissolve in water and get feature of immediacy with cellulose fibers, which is the way to achieve the purpose of dyeing. Then stable shade and good color fastness would come out via oxidation and soaping.

• Producing Process

• Quality Control

  In the Lab, we set the standard for both raw matetials and finished goods. For each lot of raw materials coming into the producing process, our technicians in the lab test them under the help of advanced equipment like Liquid Chromatograph, Spectrophotometer, Datacolor and ect. Based on the standard, we keep the sources to be stable. All the results are marked down in the lab computer for revision.

  For finished goods coming out, we conduct at least three groups of comparative experiments to reduce the artificial error. The difference between shipped goods and the comfirmed samples will be very small, even less than 1% under Datacolor machine. All we do is to maintain Superior Quality.

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 L/C payment of at sight ~30 days of Maximum USD 100000.