Ecopower(Guangzhou) New material Co.,limited |
|
Bis [3-(triethoxysilyl) propyl] tetra sulfide Silane Coupling Agent Crosile -69 / Si69
Name : Bis [3 - (triethoxysilyl) propyl] tetrasulfide Crosile - 69
Synonyms : bis(triethoxysilylpropyl)tetrasulfide; bis(triethoxysililpropyl)tetrasulfane; 3-triethoxy-silylpropyl-tetrasulfane,Sulfur Silane Coupling Agent
Formula : S4[C3H6Si(OEt)3]2 (Et = C2H5)
CAS No. : 40372-72-3
EINECS No. : 254-896-5
Physical Properties
Physical form: Transparent liquid
Color: Light yellow
It can be soluble easily in ethl alcohol, acetone, benzene, toluene and other organic solvent. It is insoluble in water and can be widely used in industry.
Specification
Test Item | Target Values(Spec.Limits) |
Sulfur Content | 22% ± 1% |
The average sulfur chain length | 3.75±0.15 |
Other impurity content | ≤1.0% |
Alcohol content | ≤0.5% |
*γ2 Content | ≤3.0% |
Specific Gravity (25℃,g/cm3) | 1.080 ± 0.020 |
Refractive Index (25℃) | 1.480 ± 0.020 |
Viscosity 25℃ | ≤14(cps) |
S2 content | 17±3% |
S3 content | 30±4% |
S4 content | 24±3% |
S5 - S8 content | 27±3% |
Chlorine Content | ≤0.6% |
Weight Loss Rate(105℃) | ≤2.0% |
Resiue On Ignition(800±25℃) | 11.3±1.0% |
Application
1. Rubber products |
2. Silica |
3. Talc powder |
4. Mica powder |
5. Clay in polymers such as NR, IR, SBR, BR etc. |
Recommend dosage 1.0-4.0PHR
Package and storage
1. Package: 25kg/200kg in plastic drums and 1060kg/IBC.
2. Storage: Store in a cool, dry, well-ventilated area and away from direct sunlight.
3. Shelf life: Two years in ventilating, cool and dry area.