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Synonym:Silicon tetraethoxide ;Tetraethoxysilane;Tetraethyl orthosilicate;TEOS
Introduction
SI-28 the ethyl ester of orthosilicic acid, is a colorless, low-viscosity liquid with an SiO2 content of 28.5%.
Typical Physical Properties
Chemical Name: | Ethyl Silicate |
CAS No.: | 78-10-4 |
EINECS No.: | 232-136-3 |
Empirical Formula: | C4H20O4Si |
Molecular Weight: | 208.3 |
Boiling Point: | 168°C [760mmHg] |
Flash Point: | 46°C |
Color and Appearance: | Colorless transparent liquid |
Density [25°C]: | 0.934 |
Refractive Index [25°C]: | 1.3838 [25°C] |
Purity: | Min.99.0% by GC |
Application
SI-28 may be used as an inorganic binder for refractory fillers and pigments, like precision investment castings.
SI-28 may be used as a second backup casting coating. It cures faster than colloidal silica system.
SI-28 may be hydrolyzed to form silicon dioxide (silica).
SI-28 may be used as a binder in zinc-rich (corrosion resistant) coating.
SI-28 may be used as a starting material for sol-gel process.
SI-28 may be used as a crosslinking agent for silicone sealant.
SI-28 may be used as a drying agent in sealing compositions.
SI-28 may be used as a chemical intermediate
Packing:Net weight 190Kg steel drum or 900Kg IBC container
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