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About Us

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Nanjing Union Silicon Chemical Co., Ltd. is a leading producer and exporter of organofunctional silanes, antifoams and defoamers in China. USI organofunctional silanes are a kind of multifunctional silanes which are typically used as silane coupling agents, crosslinking agents, adhesion promoter, surface modifiers, moisture scavenger, hydrophobing agents and dispersing agents in the field of fiberglass and composites, mineral and filler treatment, adhesives and sealants, plastics, polymerization and rubber, paints, inks and coatings, automobile tires, water repellents and surface protection.  Silicone defoamers are also versatile products used in a wide range of industries, such as sewage treatment, pulp & paper, paints, inks and coatings and so on. Our team has been in these businesses for more than 10 years, during which organosilanes, antifoams and defoamers have grown up to an industrialized market in China.
 
Our strength:
1. It’s all from our sourcing and production.
We, USI Chemical,  are strong at Amino Silanes, Foam Control in pulp & paper, coatings, oil & gas and textile industries. Our raw materials of organosilanes are sourced from DOW, TOSOH, HUNTSMAN or other world leaders in chemicals. Our factory with complete quality management system is ISO 9001:2000-certified and our workers are experienced.
2. It is all from our customer orientation.
USI Chemical, now, have 4 partners and production bases in china. For serving our customer better and better, we have also been cooperating with many famous institutions, such as Nanjing Forestry University, and some experts in organosilicone industry on developing new products or supplying customized products to meet the demand of the market. Basing on these, our product experts can assist you on your specific problems.
3. It is all from our QC systems.
Our products are all released based on strict analysis test report by the experienced inspectors and reviewers. The QC manager is responsible for the whole quality system.
4. It is all from our supply chain management.
To make the cargo received by our customers in good condition and lower the products and service costs, we are committing our supply chain to the pursuit of higher efficiency and lower cost.
 
Our Core Value:
Assist our customers and partners to invent their businesses and help them better their future! From this we will achieve the value of our company and help our team members better their lives. Basing on the above, we can afford our CSRs (Corporate Social Responsibilities), such as service them on product selections and improve their products or producing processes, enhance the technology on organosilanes, defoamers & antifoams and silicone industry, integrate resources in these fields to achieve a multi-win result.
 
Our Mission:
USI Chemical are committing ourselves to better people’s lives, and then better our partners’ businesses! Meeting our partners’ requirements with our advanced techniques, strict quality control systems, excellent products and most competitive prices is our permanent pursuit!
Choose USI Chemical, Choose High Performance Cost Ratio!
We assist you in inventing your business! We help you better your future!
Believe that we can be your excellent alternative source selection and strategic partner!
 
Welcome to becoming our partners!
If you have marketing channels in your own country or religion and want to find more business opportunities on our products, please feel free to contact us! Welcome to becoming our distributors or agents in your area. We will assist you in inventing your business and help you better your future!
Do you want to see our factory pictures? Click here without hesitation.

 

Our Strong & Most Competitive Items

USI® FUNCTIONAL SILANE USi-1302
USI® FUNCTIONAL SILANE USi-1302

Chemical Name : gamma-aminopropyltriethoxysilane
CAS NO. : 919-30-2
USI® FUNCTIONAL SILANE USi-2301
USI® FUNCTIONAL SILANE USi-2301

Chemical Name: γ-Glycidoxypropyltrimethoxysilane
CAS NO. : 2530-83-8
USI® FUNCTIONAL SILANE USi-D1311
USI® FUNCTIONAL SILANE USi-D1311

Chemical Name: N-(β-aminoethyl)-γ-aminopropylmethyl- dimethoxysilane
CAS NO. : 3069-29-2
USI® FUNCTIONAL SILANE USi-D1301
USI® FUNCTIONAL SILANE USi-D1301

it is used in RTV,Polysufide,plastic sealant, and in phenolic and epoxy molding compounds

Our New or Contract Manufacturing Items

USI® CHEMICAL USI-330 DEFOAMER
USI® CHEMICAL USI-330 DEFOAMER
USI-330
Type:Silicone Based
Solid Content(%):30±1
USI® CHEMICAL USI-530C DEFOAMER
USI® CHEMICAL USI-530C DEFOAMER
USI-530C
Type:Aliphalic Alcohol Based
Solid Content(%):30±1
USI® CHEMICAL USI-815 DEFOAMER
USI® CHEMICAL USI-815 DEFOAMER
USI-815
Type:Polyether Based
Active Ingredients(%):100
USI® CHEMICAL USI-240A DEFOAMER
USI® CHEMICAL USI-240A DEFOAMER

Type:Silicone Based
Solid Content(%):38±1