SILBOND® 40-HF

Technical Documents

SILBOND® 40-HF is a concentrated form for obtaining usable silica. It is partially hydrolyzed mixture of monomers, dimers, trimers, and high polymers. Average -Si-O-Si- chain length is about five.

Details

CAS

11099-06-2

Product Type

Monomer > Silicone based monomers

Applications

Coatings
Adhesives
Polymers industry > Casting

Producer

Evonik

Supplier

Evonik Iran

Chemical Composition

Ethyl polysilicate

Other Applications

used as an intermediate towards less concentrated, more highly hydrolyzed binders for a variety of end uses
these binders are used for inorganic zinc rich coatings, investment casting molds, cores and ceramic shapes and coatings

Storage

Stored unopened and under proper conditions, the shelf life is expected to be a minimum of one (1) year.

Handling

It is hydrolyzed in water and miscible with organic solvents.

Technical data

Quantity Value Unit Comment
Appearance Properties
Color <30 َApha
Appearance
Physical state Fluid
Physical Properties
Vapor pressure 2 mm-Hg at 20 °C
SiO2 >40 %
Specific Gravity 1.055 - 1.070 20°C
Viscosity 5.75 cP 20°C
Density 1.058 g/ml 20°C
Molecular weight 744 g/mol
Thermal Properties
flash point 50 ºC Tag Closed Cup
Melting point -90 ºC
Boling point 78 ºC
Chemical Properties
Shelf Life >12 month
Acidity <0.001 wt% as HCl
Solubility
Solubility Organic solvents