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Tetraethyl Orthosilicate

This product is mainly used in the manufacture of chemical-resist and heat-resist coatings, organosilicon solvents and adhesives of precision casting.

When be completely hydrolyzed, it will generate tiny silicon oxide powder which can be used in making fluorescent powder.

Applied to natural stones or other construction materials, it forms a silica-gel like binder (SiO2) that increases the substrate strength. Polymerization of silicone resins for use in paints and other surface modification applications. And it is the intermediate for sol-gel process. Further more, it can improve the performance of other resins and also it is the material for making silicon macromolecular compounds.
  • Siwin-TEOS
  • Siwin
  • Siwin-TEOS
  • 78-10-4
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Siwin-TEOS

Tetraethyl Orthosilicate

Typical Physical Properties

Description 

Chemical Name:  Tetraethyl Orthosilicate

Molecular Formula:      C8H20O4Si

Structural Formula:    

 Tetraethyl Orthosilicate

 

Molecular Weight: 208.33    CAS No.:   78-10-4

 

Physical Properties 

Physical Form:     Transparent liquid         Color:          Clear, colorless

Assay, %:        ≥99,99.5                           SiO2 content:  28-29%

Specific Gravity at 25°C, g/cm3:                0.925-0.945

Boiling Point, °C:      168-170                    Refractive Index, ND20:  1.3750-1.3990

Flash Point, Closed Cup,°C:   48

 

Applications


This product is mainly used in the manufacture of   chemical-resist and heat-resist coatings, organosilicon solvents and   adhesives of precision casting.

When be completely hydrolyzed, it will generate tiny   silicon oxide powder which can be used in making fluorescent powder.

Applied to natural stones or other construction   materials, it forms a silica-gel like binder (SiO2) that increases the   substrate strength. Polymerization of silicone resins for use in paints and   other surface modification applications. And it is the intermediate for   sol-gel process. Further more, it can improve the performance of other resins   and also it is the material for making silicon macromolecular compounds.

Packaging and Storage


Be packed in 200L rums, 1000L IBC drum, ISO Tank

Be sealed and stored in cool and well ventilated   place. Away from fire and water.


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