Product Name: Silane Coupling Agent (Si-69)

Chemical Name: Bis-(3- triethoxysilyl propyl)-tetrasulfide

Molecular Formula: (C₂H₅O)₃-Si-(CH₂)₃-S₄-(CH₂)₃-Si-(C₂H₅O)₃

Molecular Weight: 538.96

CAS Number: 40372-72-3

Type Name: FC-SI69-L

Corresponding: Union Carbon's A-1289; Degussa's Si 69; Dow Corning Z-6940.

 

 

 

 

 

Appearance : clear, light yellow liquor;

 

Sulfur Content: 22.8%;

 

Density (20℃): 1.07 ~ 1.12 g/cm³;

 

Flash Point: 100℃

 

 

 

 

 

Odorless,

 

Be soluble easily in various organic solvents such as ethyl alcohol, acetone, benzene, toluene and chloro-hydrocarbon etc.

 

 

 

 

It's to improve modulus and tensile ability of rubber, to reduce the compound viscosity and cut down energy consumption in manufacturing.

It performs better in polymers in which keeping double bond or hydroxyl groups.

 

The suitable fillers include silica, clay, silicate, etc.

 

it can be used in NR; IR; BR; NBR; SBR; and etc.

 

 

 

 

 

packed in 20/25/50kg per polyethylene barrel, or 1000kg per IBC barrel

 

 

 

 

 

 

It requires a low temperature and dry condition, keeping away from heat.

 

The proper storage time is in 36 months.