Zhangjiagang Xinya Chemical Co., Ltd. was founded in 2010, is located in the beautiful civilized city - Zhangjiagang City, Jiangsu Province, China, the company is close to the Yangtze River pearl Zhangjiagang port, south of the Yangtze River highway, from the port of Shanghai and the airport is only 100 kilometers, convenient transportation. The specializes in phosphate series and organosilane series of application products production, sales and development of science and technology enterprises. The company always adheres to the enterprise philosophy of "good quality, customer first" and does a good job in product quality. Welcome new and old customers and domestic and foreign partners to visit and guide, create a better future!
Why Choose Us
Professional team
The company has many years engaged in the research and development of new phosphate esters and silicone Professional team, committed to the development and application of new flame retardant phosphate esters and organosilanes.
Strict Quality Standards
We adopt foreign advanced technology continuous direct method and strictly implement ISO9001 quality system to keep our product quality stand in the leading position in the same industry.
Our services
Contact customers to understand their needs and make quotations. Confirm the order, and produce, pack and ship in a timely manner.
Sales Market
70% of the output is exported to the United States, South America, Europe, Southeast Asia and other parts of the world.
Benefits of Silicone Products Include

High Reactivity: TEOS exhibits excellent reactivity with water, facilitating rapid gel formation and crosslinking. This enhances production efficiency in manufacturing processes.
Versatile Solubility: The compound's solubility in organic solvents allows for diverse application methods, from coatings to composite materials.
Controlled Porosity: Tetraethoxysilane enables the creation of porous structures in sol-gel materials, which can be tailored for specific functionalities
Thermal Stability: The final products derived from TEOS maintain structural integrity and performance under high thermal conditions, making them suitable for advanced industrial uses.
High Durability: Forms a tough, resilient film that withstands environmental challenges.
Low Viscosity
Easily mixes with other components, facilitating a smooth application process.
Fast Curing
Cures rapidly in the presence of moisture, which enhances production efficiency.
Excellent Chemical Resistance
Protects against a wide range of chemicals, making it suitable for harsh industrial environments.
Environmental Stability
Maintains performance in a variety of conditions, ensuring long-lasting solution.
Versatile Usage
Can be adapted to multiple formulations depending on specific needs.
Cost-Effectiveness
Reduces the necessity for additional materials due to its multifunctionality.
Application of Silicone Products Include
Applications of Tetraethoxysilane
Sol-gel synthesis
Tetraethoxysilane is a popular precursor for the sol-gel synthesis of silica-based materials, such as glasses, ceramics, and coatings. The sol-gel process involves hydrolysis and condensation reactions of the precursor in the presence of a catalyst to form a gel that can be further processed by drying, calcination, or sintering.
Adhesives and coatings
Tetraethoxysilane is also used as a crosslinking agent for adhesives and coatings, especially those based on epoxy, polyurethane, or acrylic resins. The addition of the compound to the formulations enhances the mechanical, thermal, and chemical resistance of the products and improves the adhesion to various substrates, such as metals, plastics, and glass.
Silicones and sealants
Tetraethoxysilane is a key raw material for the synthesis of silicones and sealants, which are widely used in the automotive, construction, and electronics industries. The compound can be hydrolyzed and condensed with other silanes, such as methyltrichlorosilane or dimethyldichlorosilane, to form linear or branched polysiloxanes with various properties, such as viscosity, elasticity, and dielectric constant.
Coatings
Ethyl Silicate 40 is widely used in the production of coatings for various surfaces, such as metal, glass, and ceramics. It is used as a binder and a crosslinking agent in the production of coatings. Ethyl Silicate 40 provides excellent adhesion, hardness, and chemical resistance to coatings.
Adhesives
Ethyl Silicate 40 is used as a binding agent in the production of adhesives. It provides excellent bonding strength and chemical resistance to adhesives.
Ceramics
Ethyl Silicate 40 is used as a binder in the production of ceramics. It helps in the formation of ceramic compounds by reacting with other ceramic materials.
Electronics
Ethyl Silicate 40 is used in the production of electronic components, such as circuit boards and semiconductors. It provides excellent adhesion and insulation properties to electronic components.

Specification of Silicone Products Include
|
Item |
Standard |
|
Appearance |
Colorless transparent liquid |
|
Assay% |
≥98 |
|
Specific Gravity at 25°C, g/cm3 |
0.929-0.939 |
|
Refractive Index, ND20 |
1.3786-1.3868 |
|
SiO2, % |
28-30 |
|
Water dispersion |
Qualified |
|
Chemical Name |
Tetraethyl orthosilicate 40 |
|
Cas No |
11099-06-2 |
|
Model |
CFS-062 |
|
Formula |
C2H6O3Si |
|
Color |
Colorless |
|
Appearance |
Clear liquid |
|
Purity |
40~42% |
|
Synonyms |
Tetraethyl orthosilicate 40 / Ethyl Silicate Polymer 40 / ethyl polysilicate |
Package & Shipping




FAQ
As one of the leading silicone products suppliers in China, we warmly welcome you to buy bulk high quality silicone products in stock here from our factory. For customized service and free sample, contact us now.
Silane ethenyltrimethoxy, tetraethyl orthosilicate, Hexamethyldisilazane











