1.1 Excellent fastness in each index
1.2 Granule fineness
1.3 Exterior fineness
(1) Cotton yarn, cotton, wool or silk dyeing
(2) Viscose fiber paste coloring and printing and dyeing.
(3) Biochemical agents and indicators
Inner: plastic bag
Outer: carton box or plastic drum (optional)
1*20GP=11 MT with Pallet
Packing details can be adjusted according to requirement.
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”.
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.
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.
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.
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.
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.
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.
2.1 Reduction of dyes
Insoluble reducing dye will change into soluble leuco.
Different levels of the best staining methods are brought out
according to the reduction dyes’ reduction potential and level of
its immediacy to fibers.
2.2 Dye-uptake of leuco
The leuco is absorbed by fiber and then it is diffusing into the
It is necessary to use soft water or softened water in dyeing
process. Hereby it is suggested to add the water softener for 1g/L
to some poor quality cotton calcium, magnesium ions, but also the
iron, copper ions which are absorbed by the pipe into the dye bath,
and finally keep the solubility of leuco.