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GENIOSIL® TE 40

GENIOSIL® TE 40 is an ethyl silicate polymer. It is a low-viscous liquid providing approximately 41% of
silicon dioxide (silica) upon complete hydrolysis.



特性

GENIOSIL® TE 40 offers these properties
• storage-stable, low-viscous liquid with a high silica content (41% SiO2, after full hydrolysis/dehydration)
• reactive binder after alkaline or acid-catalyzed hydrolysis for many applications
• actual binder are polymeric SiO2-structures formed by hydrolysis and condensation reactions

General
GENIOSIL® TE 40 is being used for the precipitation of silica (polymeric SiO2 structures) upon complete hydrolysis. The hydrolysis creates ethanol as a by-product.
The polymeric SiO2 structures firmly bind inorganic fillers and pigments and adhere well to different inorganic substrates like glass, ceramics or metall. Chemical and mechanical properties of the substrates can be improved by the thin SiO2 film,
which is also highly heat-resistant.
 

Application examples
• binder for zinc-rich anti-corrosive coatings, e .g. shop primers
• binder for refractory fillers (production of ceramic shells and cores)
• precision casting
• coating material for pigments and fibers
• liquid source of SiO2 as binder
• crosslinking agent, e.g. for silicone elastomers
• sol-gel processes
 

Use as binder for two-pack zinc-rich ethyl silicate primers Hydrolysis of GENIOSIL® TE 40 induced by atmospheric humidity is too slow for typical moisture-curing coating applications like shop primers. The ethoxy groups must be activated by further chemical hydrolysis. This is typically done in a chemcial reactor by the addition of water and an acid catalyst in a water-miscible co-solvent. Condensation and formation of larger polymeric molecules already start during hydrolysis. The hydrolysate is the actual binder for the zinc-rich
shop primer. Shelf-life of the hydrolysate is limited because the condensation slowly proceeds upon storage.

包装

• 25 kg steel can
• 200 kg steel drum
• 1000 kg IBC

储存

GENIOSIL® TE 40 must be stored in the tightly closed original container under exclusion of moisture.
The "Best use before end" date of each batch is shown on the product label.
Storage beyond the date specified on the label does not necessarily mean that the product is no longer usable. In this case
however, the properties required for the intended use must be checked for quality assurance reasons.

销售和支持

Wacker Chemical Corporation
S State Road 4950
Ann Arbor, MI 48108
United States
+1  888  922-5374 (电话)
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Wacker Chemical Corporation
S State Road 4950
Ann Arbor, MI 48108
+1  888  922-5374 (Phone)

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