Teraethoxysilane TEOS Crosile® Si40

Ethyl silicate Crosile® Si40 is an organic silicon compound with good solubility, stability and weather resistance, which is widely used in building materials, coatings, paints, cosmetics, electronic materials, plastics and other fields.

Item NO.:
Crosile® Si40
Chemical Name:
Tetraethyl orthosilicate
Chemical Formula:
C2H6O3SI
CAS No.:
11099-06-2;68412-37-3
EINECS No:
234-324-0
Properties:
Colorless transparent liquid; Soluble in a variety of organic solvents; Easy to hydrolysis; Able for condensation to form polysiloxanes; Easy to polymerize in the presence of overheating, light and peroxide.

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Teraethoxysilane TEOS Crosile® Si40

SiSiB® PC5424

Chemical Properties

Tetraethyl Orthosilicate (TEOS) Crosile® Si40 is an organic silicon compound with good solubility, stability and weather resistance, which is widely used in building materials, coatings, paints, cosmetics, electronic materials, plastics and other fields.

Equivalent type

Ethyl silicate, TEOS, Tetraethoxysilanemincolorlessliq, Tetraethoxysilane, Silicon ethoxide, Tetraethoxysilan, Silicon tetraethoxide, Silane Coupling Agent, Teraethoxysilane, Silicic acid ethyl ester, Ethyl polysilicate, Ethyl Silicate 32, ethoxy(oxo)silanol, diethoxy(oxo)silane, Ethyl silicate, tetraethyl orthosilicate

Specifications

Test Item	Target Values (Spec, Limits)
Appearance	Colorless Transparent Liquid
SiO2 Content	40%
Flash Point	Min.62°C
Boiling Point	160°C
Refractive Index	1.397

Application

Building Materials

Tetraethoxysilan Crosile® SI40 is often used to produce calcium silicate board, diatomaceous earth and aluminum silicate materials, which can improve the hardness, waterproofness and weather resistance of the materials.

Coatings and Paints

Mainly used for high anti-corrosion zinc powder coatings, Crosile Si 40 as a binder for zinc powder coatings can ensure easy mixing of zinc powder during construction, solve the problem of zinc powder precipitation, and is suitable for strict elimination of moisture. Provide effective anti-corrosion protection for steel and heavy-duty anti-corrosion coatings (such as ship and bridge steel structures)V

Silicon tetraethoxide Crosile® SI40 can enhance the weather resistance, adhesion and corrosion resistance of coatings and paints. In the field of cosmetics, ethyl silicate can be used as emulsifier, stabilizer and moisturizer.

Plastics

Tetraethyl orthosilicate (TEOS) Crosile® SI40 can be used as plasticizer and flame retardant to improve the heat resistance and flame retardancy of plastics.

According to statistics from market research institutions, the market size of ethyl silicate has been increasing year by year and it is expected to maintain a stable growth in the next few years. At present, the ethyl silicate market is mainly concentrated in Asia-Pacific region and Europe. China、Japan、South Korea、India are major producers and consumers of ethyl silicate in Asia-Pacific region.

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