Specification :

Si-69
1: Formula ( H5C2O) 3Si ( CH2) 3 • S4 • ( CH2) 3 • Si ( OC2H5) 3
2: indicators of physical and chemical properties and slight alcohol odor product is light yellow transparent liquid, soluble in ethanol, ketones, benzene, acetonitrile, dimethyl formamide, dimethyl sulfoxide, chlorinated hydrocarbons, insoluble in water. Appearance Light yellow to yellow transparent liquid Assay ( % ) e 22.0 Density ( � 20) g/ cm3 1.089 ± 0.005 refractive index ( n) 1.4850 ± 0.0005 Viscosity 11.2cst
3: Uses commonly used in the treatment of carbon black, SiO2 and other inorganic fillers, no to do with the activator, coupling agent role, also has a cross-linking agent, softener and reinforcing the role of agents in the rubber industry as a reinforcing agent and curing agent. For natural rubber, isoprene rubber, styrene butadiene rubber, butadiene rubber, butyl rubber, neoprene, butyl rubber, halogenated butyl rubber, EPDM rubber and oil-filled plastic of these, Also in the rubber and can be used with the gel. Effects are: 1, unvulcanized rubber ( 1) reduce the Mooney viscosity; ( 2) reduce the scorch phenomenon; ( 3) higher levels of sulfide; ( 4) mixing, rolling, extrusion features greatly improved. 2, vulcanized rubber ( 1) tensile strength increase; ( 2) elongation strength increase; ( 3) permanent deformation decreased; ( 4) heat and improved dynamic characteristics; ( 5) improved wear performance of silicon: ( 6) tear strength increased; ( 7) in water and other substances in the swelling of the can be improved.