Product Details

Silance coupling agent Si-69 /bis-[3-(triethoxysilyl)-propyl]-tetrasulfide

CAS No. 40372-72-3
MF C18H42O6S4Si2
EINECS No. 254-896-5
Purity 98% Min
Place of Origin Shandong, China
Type Other, Chemical agent
Usage Rubber Auxiliary Agents
Brand Name Haorun
Model Number HR-69

Product Features

Product Description

 

 

Description of silane coupling agent(si-69): 

 

Chemical Name:    bis-[3-(triethoxysilyl)-propyl]-tetrasulfide

Similar to:              Degussa Si-69

Formula:                C18H42O6S4Si2

 

Typical physical properties of silane coupling agent(si-69): 

 

Properties: 

it is Light yellow transparent liquid with slight ethyl alcohol odor, easily soluble in organic solvents such as ethyl alcohol, acetone, benzene, toluene and chlorohydrocarbon, etc.

 

CAS NO.: 40372-72-3

 

Molecular Weight:            539.06

S content                          22.7±0.8

Content of Cl                     0.4

 

Boiling Point:                   85-88 C. Deg /1.07Kpa 

Density (ρ20 )g/cm3:         1.080-1.090

Refractive Index (n25D):   1.4800 +/- 0.0200 

 

Potential Applications of silane coupling agent(si-69):

1, It is a kind of silane coupling agent with multiple functional groups successfully used in rubber industry to improve modulus and  tensile strength of rubber, to reduce the compound viscosity and save process energy consumption. 

 

2, It is especially applicable for polymers with double bond or rubber formulation with hydroxyl fillers. 

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

 

3, The suitable rubber include natural rubber (NR), Butadiene styrene rubber (SBR), Isoprene rubber (IR), Butadiene rubber (BR), Acrylonitrile butadiene rubber (NBR), Ethylene propylene diene rubber (EPDM), etc

Company Information

Equipment photos:

 

Silance coupling agent Si-69 /bis-[3-(triethoxysilyl)-propyl]-tetrasulfideSilance coupling agent Si-69 /bis-[3-(triethoxysilyl)-propyl]-tetrasulfideSilance coupling agent Si-69 /bis-[3-(triethoxysilyl)-propyl]-tetrasulfideSilance coupling agent Si-69 /bis-[3-(triethoxysilyl)-propyl]-tetrasulfideSilance coupling agent Si-69 /bis-[3-(triethoxysilyl)-propyl]-tetrasulfide

Silance coupling agent Si-69 /bis-[3-(triethoxysilyl)-propyl]-tetrasulfideSilance coupling agent Si-69 /bis-[3-(triethoxysilyl)-propyl]-tetrasulfide

Silance coupling agent Si-69 /bis-[3-(triethoxysilyl)-propyl]-tetrasulfideSilance coupling agent Si-69 /bis-[3-(triethoxysilyl)-propyl]-tetrasulfide

 

Lab. photos:

 

Silance coupling agent Si-69 /bis-[3-(triethoxysilyl)-propyl]-tetrasulfide

Silance coupling agent Si-69 /bis-[3-(triethoxysilyl)-propyl]-tetrasulfide

 

Silance coupling agent Si-69 /bis-[3-(triethoxysilyl)-propyl]-tetrasulfide

 

 

Testing room photos:

Silance coupling agent Si-69 /bis-[3-(triethoxysilyl)-propyl]-tetrasulfide

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