Silane coupling agent si-69, 1. Equivalent to Degussa Si-69 2. Used in Rubber industry Silane Coupling Agent BA-69 Silane coupling agent Si-691. Chemical Name: Bis-[γ-(triethoxysilyl)-propyl]-tetrasulfide2. Corresponding trademark in abroad: Degussa Si-69 4. Physical PropertiesLight yellow transparent liquid with slight ethyl alcohol odor, easily soluble in organic solvents such as ethyl alcohol, acetone, benzene, toluene and chlorohydrocarbon, etc.  5. Specifications: CAS NO.: 40372-72-3Molecular Weight: 538. 96Boiling Point: 85-88 C. Deg /1.07Kpa Density (ρ20 )g/cm3: 1.0850 +/- 0.0050 Refractive Index (n25D): 1.4800 +/- 0.0200  6. Application: Silane Si-69 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.  It`s especially applicable for polymers with double bond or rubber formulation with hydroxyl fillers. The suitable fillers include silica, silicate, clay, etc.  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

Silane Coupling Agent si-69