SiSiB® PC5424 Ethylpolysilicate 40
SiSiB® PC5424
SiSiB® PC5424 is a hydrolyzed and oligomerized form of ethyl silicate. It is a mixture of monomers, dimers, trimers and cyclic polysiloxanes.
SiSiB® PC5424 is a transparent liquid containing 40% silica (SiO2) by mass, but in practice, in addition to chain condensates, it also contains branch-shaped and ring-shaped condensates. It is the equivalent of Momentive's TEOS-40, Wacker's SILICATE TES40, Evonik's Dynasil 40 silane.
Technical Data
CAS No. |
11099 06 2 or 68412-37-3 |
EINECS No. |
234-324-0 |
Formula |
(OSi(OC2H5)3)5 |
Molecular Weight |
App.750 |
Boiling Point |
160°C [760mmHg] |
Flash Point |
Min.62°C |
|
|
Color and Appearance |
Colorless transparent liquid. |
Density 25/25°C |
1.05-1.07 |
Refractive Index |
1.397 |
Viscosity (20°C) |
5 cps |
SiO2 content |
40.0-42.0% |
Ethyl Polysilicate |
Min.99.0% |
Tetraethoxysilane |
Max.1.0% |
Ethanol |
Max.0.5% |
Application
SiSiB® PC5424 is used to deposit silicic acid formed as a result of complete hydrolysis. The resulting silicic acid bonds well to many inorganic substrates, such as ceramic, fillers, glass, metal, pigments and synthetic fibers. The deposition of a thin SiO2 layer improves the chemical and the thermal stability and mechanical properties.
SiSiB® PC5424 orthosilicate may be used as a binder in zinc-rich (corrosion resistant) coating.
SiSiB® PC5424 may be used as a starting material for sol-gel process.
SiSiB® PC5424 may be used as a crosslinker component for silicone adhesive in cold curing silicone rubber systems.
SiSiB® PC5424 may be used as a hardening component in dentistry for impression materials and as binder for embedding material.
SiSiB® PC5424 may be used as a binder in precision foundry industry.
Packing and Storage
SiSiB® PC5424 is supplied in 200Kg steel drum or 1000Kg IBC container.
In the unopened original container SiSiB® PC5424 has a shelf life of one year in a dry and cool place.
If you want to know more kinds of sisib silicones, please visit our website.
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