Product Description
Factory Direct Supply 3,3'-Diamino Diphenyl Sulfone(DDS) with High Quality CAS 599-61-1
DDS is used in the production of epoxy resin curing agent and aromatic sulfone fiber.
Scope of application:
1. Used to synthesize polysulfone polymers and other polymers
2. Epoxy resin curing agent
3. Heat-resistant resin raw materials
4. Dyes, coatings, viscose
Product Parameters
| Item |
Specification |
| Items |
Specifications |
| Appearance |
crystal or powder |
| Purity |
≥99% |
| Melting point |
≥71.5ºC |
Packaging & Shipping
25Kg kraft paper bag or according to customer requirements
Company Profile
Dalian Sinobio Chemistry Co.,Ltd was established in 2011 and located in beautiful costal city .We focus on fungicide and water treatment's production and export over 12 years.
Sinobio is a group company who has 2 production sites in China: One is in Jiangxi province which produce fungicide such as lsothiazolinon,BIT,Zinc Pyrithione ,etc.Our products can be widely used in the fields of oil-field water injection, pulp and paper making,water treatment,marine paint, wood, plastic leather,paint coating,cosmetics,personal care products, textiles, fiber, building materials,etc. for sterilization,corrosion prevention and mildew prevention.In particular, it has been widely recognized in the application of sterilization,algae killing,scale inhibition and corrosion inhibition of circulating cooling water in petrochemical, power metallurgy and other industrial fields.
The other one was located in Gansu province which produce water treatment chemicals such as ATMP, HEDP,THPS,TXP etc .Our company has realized the research and development, production and sales of products and provided a series of services such as water treatment engineering solutions. The products are widely used in electric power,chemical industry, metallurgy, textile,paper making, washing, building mate- rials and other fields.
All these products are exported to Europe,America,Russia,Southeast Asia and other parts of the world, and have won the praise of custom.
SINOBIO Warmly welcome customers from at home and abroad to cooperate with us for common success.
Why Choose Us
Exhibition&Certifications
FAQ
1. Can I get samples ?
Yes, we can supply specified quantity free sample, you pay for the freight charge only.
2. Which documents do you support?
We can supply COA, TDS, MSDS and so on.
3. What is your MOQ?
Normally speaking, our MOQ is 1 standard package. But we can supply free sample for testing before mass order.
4. How can you guarantee the quality of your products?
(1) Our staff are all experienced in chemical products or related major background, they are well trained before quotation.
(2) Free sample or pre- shipment sample are available for our new cooperation before you place commercial order.
We are sure the same specification commercial products as sample to customers.
(3) Third Party Inspection like SGS can be arranged according to your requirement before shipping.
(4) On-Spot QC in our APPROVED associated production bases with necessary certification like GMP, ISO etc.
5. How to pay?
PI will be sent firstly after our aligned products specification. Payment by T/T, X-Transfer ,LC and so on.
6. What is your after-sales service?
SINOBIO aim to keep long term cooperation with all the customers, will sign a legally binding sales contract with customers for every order. If you have doubt or concern on our products or service, pls feel free to contact with us.
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