Silane Coupling Agent ELT-Si69
Bis-[gamma-(triethoxysilyl)-propyl]-tetrasulfide
Description:
Chemical Name: Bis-[gamma-(triethoxysilyl)-propyl]-tetrasulfide
Similar to: Degussa Si-69,Dow Corning Z-6940,ShinEtsu KBE-846,Momentive A-1289
Formula: C18H42O6S4Si2
Typical physical properties:
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: 538. 96
S content 21.5 min.
Boiling Point: 85-88 C. Deg /1.07Kpa
Density (ρ20 )g/cm3: 1.0850 +/- 0.0050
Refractive Index (n25D): 1.4800 +/- 0.0200
Potential Applications:
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.
Packing & storage:
1, painted Iron drum or plastic drum , net weight 200Kg each, 1000kg per IBC
2, Sealed well, store in a cool, dry place. Avoid light.
![Bis-[3-(triethoxysilyl)propyl] tetrasulfide (50%) and carbon black (50%)](http://a0.leadongcdn.com/cloud/ipBolKpmSRikioloi/Si69C-640-640.jpg)
